---
type: Software Buyer's Guide
title: 5 Best Accounts Receivable Software for SaaS in 2026
description: Paidnice, Chaser, Upflow, Kolleno and Growfin compared for SaaS and subscription businesses in 2026, ranked on net-terms collection, late fee grain and published price.
resource: https://accounting.events/reviews/best-accounts-receivable-software-saas/
tags: [accounts receivable software for saas, saas ar software, subscription billing collections, net terms collection saas, dunning software saas, ar automation for subscription businesses]
timestamp: 2026-08-30
---

**A subscription receivable has two halves and only one of them belongs to the billing engine. For the invoiced half, the five best accounts receivable software tools in 2026 are Paidnice, Chaser, Upflow, Kolleno and Growfin, ranked on whether the tool collects net-terms invoices off the accounting ledger and whether the fee rule can differ from one account to the next. Published entry prices open at $69 a month.**

Paidnice fits a subscription business on Xero or QuickBooks Online that needs a self-serve account and an annual enterprise contract chased on different rules. Chaser fits a team working a short list of large invoices that wants letters and calls in the same schedule. Upflow is the only one that reads Stripe Billing, Chargebee and Zuora directly. Kolleno fits a business whose bottleneck is matching payments rather than sending reminders. Growfin serves NetSuite and Salesforce finance teams.

Ten minutes on the same five tools, on video.

## The two halves of a subscription receivable

Card revenue is collected by the billing engine. Invoiced revenue is collected the way any business-to-business receivable is collected, off the accounting ledger, and it is the half that grows every time the business signs a bigger contract.

A self-serve plan pays by card on the first of the month, and when the card fails the billing engine retries it and emails the account owner. An annual enterprise contract arrives as a purchase order, an invoice and a payment run inside somebody else's finance department, and none of that is visible to the system that raised the subscription.

The two halves also fail differently. A failed card ends a subscription. An unpaid net-60 invoice against a signed annual contract does not, and the service usually keeps running while the balance ages, which is why an unpaid invoice is not churn until somebody decides it is. Somebody has to make that decision deliberately, and the ledger is where the evidence for it sits.

Xero Small Business Insights recorded an average US wait of 29.1 days in June 2026, with invoices settling 8.3 days past their due date. For a subscription business that wait describes the part of revenue the billing engine never sees, because it belongs to the invoiced side of the book rather than the card side.

Five things to check before a demo:

- **Rules that vary by account.** Tone, cadence and fee rate set per group, so a $49 self-serve account and a $60,000 annual contract are not chased with the same email.

- **A fee the customer's own books can see.** A charge raised as a document on their ledger enters the payables run and can be credited later, which a note inside a chasing tool can never be.

- **Timing you can hold back.** The ability to stop a sequence before a renewal window rather than only to switch it off entirely.

- **One aged view across both halves.** Receivables that include the invoiced contracts as well as the card revenue, whether that comes from the billing engine or from the ledger the invoices land in.

- **A live payment read.** Chasing has to stop the morning the payment run clears, which means reading the ledger rather than a nightly file.

## What we ranked, and why segment fit came first

Five criteria, applied in the order printed. Segment fit leads because a subscription book has a shape most order-to-cash software was not designed around, and a tool that cannot hold both halves is out before its feature list matters.

1. **Segment fit.** Does the tool serve a business whose revenue is part recurring card and part invoiced net terms, at a price a SaaS finance lead will sign?

2. **Enforcement.** Does the tool raise the late fee itself, and can the rule differ between a self-serve account and an enterprise contract?

3. **A price on the vendor's own page**, in the currency printed there, dated to the check.

4. **A traceable rating.** A score is used only where the platform and the review count are printed with it, and two scores inside a tenth of a point are separated by review volume.

5. **Coverage** of both the accounting ledger and the subscription billing engine that raised the invoice.

## SaaS AR software compared: the table

Two of these five raise a late fee without help. One of the five reads Stripe Billing, Chargebee and Zuora directly. The remaining two are enterprise order-to-cash platforms whose real depth is cash application rather than the reminder.

|   | [Paidnice logo](#paidnice) | [Chaser logo](#chaser) | [Upflow logo](#upflow) | [Kolleno logo](#kolleno) | [Growfin logo](#growfin) |

| Revenue fit | $500k to $20m | £4m and under on the entry tier, tiers to £200m | ARR bands, under $10m to $50m and above | $1m turnover and above | Not published |

| From (monthly) | $69 | £199 | Not published | $650 per user | Not published |

| Ledger integrations | Xero, QuickBooks Online | Xero, QuickBooks, Sage, NetSuite, Dynamics 365 | Xero, QuickBooks Online, NetSuite, Sage Intacct | NetSuite, SAP, Sage Intacct, Dynamics 365, Xero, QuickBooks Online | NetSuite. No Xero or QuickBooks Online evidence |

| Billing engine links | Stripe (payments) | Stripe (payments, through Chaser Pay) | Stripe Billing, Chargebee, Zuora | Zuora; Stripe, Adyen and GoCardless for payments | Zuora |

| Late fee grain | Yes (per customer group) | Yes (one global rule) | No (via your ERP only) | None found | None found |

| Statements | Yes (any schedule) | Yes (monthly, fixed day) | Not verified | Yes (in the portal) | Yes (depth not verified) |

| Payment plans | Yes | Yes | No | Yes | None found |

| Portal | Yes | Yes | Yes | Yes | Yes |

| Rated (source, count) | 5.0 (82, Xero App Store) | 4.98 (374, Xero App Store) | 4.8 (233, G2) | 4.9 (99, G2) | 4.5 (68, G2) |

| Last verified | Aug 2026 | Aug 2026 | Aug 2026 | Aug 2026 | Aug 2026 |

"Not verified" means the capability could not be confirmed from the vendor's public materials. "Not published" means the vendor does not print a price. "None found" means no evidence either way. Prices are the vendor's published or last-verified from-price on the date shown.

## 1. Paidnice

Best for SaaS businesses on Xero or QuickBooks Online, $500k to $20m

### What is it best for?

For a subscription business that invoices annual and enterprise deals on net terms and wants the reminder, the late fee and the statement schedule set per account group rather than once for the whole book.

**Fits:** SaaS and subscription businesses on Xero or QuickBooks Online from about $500k revenue, with the sweet spot between $1m and $20m, with or without a dedicated finance hire

**Regions:** United States, United Kingdom, Australia, New Zealand, Canada, South Africa

**Entry cost:** $69/mo on Essentials, covering 150 invoices, 600 emails and up to 2 team members; Pro from $99/mo with unlimited users and no per-seat fee. As at August 2026, verify current pricing

**Rated:** 5.0 from 82 [Xero App Store](https://apps.xero.com/uk/app/paidnice) reviews, verified 20 August 2026; 4.9 on [Capterra](https://www.capterra.com/p/254868/Paidnice/), review count not published

**Awards:** Winner, New Zealand Small Business App of the Year, Xero Global App Awards 2026; 2025 Xero Global Small Business App of the Year

**Runs on:** Xero, QuickBooks Online, Stripe, Pinch Payments, CloudDepot, HubSpot, Pipedrive, Zapier. NetSuite, Sage Intacct, MYOB and Dynamics 365 Business Central on the Custom plan only

**Late fees and interest:** Yes. Two charge types available on the same customer group, an invoice late fee and a statement interest charge, both raised on the customer's ledger as Draft or Approved. Compounding is on by default

**Does best:** Running several late fee policies at once, one per customer group, so a self-serve group and an enterprise group never share a rule

Paidnice runs on top of a Xero organisation or a QuickBooks Online company and covers the invoiced half of the book: reminder sequences, statements on whatever schedule the team sets, consolidated parent accounts, payment plans, a customer portal, and a charge raised on the customer's own ledger when an invoice runs late. Mail leaves through the company's authenticated domain by email and SMS, so it arrives from billing@ rather than from a vendor's server.

The reason grain matters here more than on a single-segment book is that the two halves want opposite settings. A self-serve account that failed a card and an enterprise account sitting on net 60 need different tone, different timing and a different rate, and policies hang off customer groups so both run at once. One invoice can be filtered out of a policy by its reference without moving the account, which is what a disputed line on a usage bill needs. Statement interest is recalculated at the moment the statement sends rather than at the last policy run, so the figure the customer opens is the figure that is owed that morning.

**Limitations with Paidnice.** Xero and QuickBooks Online are the only native ledgers, so invoices raised in a subscription engine have to reach one of those two first. There is no Stripe Billing, Chargebee, Recurly or Zuora connector and no card retry or dunning logic, all of which stays with the billing engine. Reaching NetSuite, Sage Intacct, MYOB or Dynamics 365 Business Central means the Custom plan and a build rather than a standard connector. Essentials covers two team members. On criterion 4 it loses to Chaser, whose 4.98 rests on 374 reviews against the 5.0 from 82 printed above.

## 2. Chaser

Best for SaaS teams billing enterprise contracts on net terms, up to £4m of revenue on the entry tier

### What is it best for?

For a finance team chasing a small number of large annual invoices that wants email, SMS, posted letters and recorded calls in one schedule, plus a credit check before net 60 is agreed.

**Fits:** Businesses with a named credit controller; the entry tier is priced for £4m revenue and under, and the tiers run to £200m, though Chaser’s own pricing page states £100m

**Regions:** UK-registered, trading since 2014, sells worldwide

**Entry cost:** £199/mo on Compact for revenue to £4m with 4 users; Core £599/mo to £10m; Complete £899/mo above that. As at August 2026, verify current pricing

**Rated:** 4.98 from 374 [Xero App Store](https://apps.xero.com/uk/app/chaser) reviews; 4.5 from 68 on [G2](https://www.g2.com/products/chaser/reviews); 4.9 from 45 on [Capterra](https://www.capterra.com/p/157101/CHASER/)

**Awards:** Xero App Partner of the Year 2023

**Runs on:** Xero, QuickBooks, Sage 50, Sage 200, Sage Intacct, Sage Business Central, NetSuite, Dynamics 365, AccountsIQ, SAP, HubSpot, Gmail, Outlook

**Late fees and interest:** Yes. Four calculation types, recalculated daily, but one global rule only, which cannot vary by schedule or customer group, and no fee is raised on payment-plan or partially paid invoices

**Does best:** Chasing on four channels from the team's own mailbox, with SMS, posted letters and recorded calls in the same schedule as the email

Chaser has been selling since 2014 and sends from whichever Gmail or Outlook mailbox the team already uses, with SMS, posted letters, recorded calls, a payer portal and a partner collections handoff behind it. On a subscription book the channel ladder earns its money on the head rather than the tail: against a $60,000 annual renewal a posted letter reaches a different desk from a fifth email, and it does so without an account manager having to make the call.

The credit report inside the app is supplied by Creditsafe, carrying a score with a recommended limit, the customer's own payment score, credit event history, and Companies House filing and director data, monitored continuously with a late payment predictor attached. For a sales team about to sign a multi-year deal on net 60, that check happens while the terms are still negotiable.

**Limitations with Chaser.** One global late fee rule that cannot vary by schedule or customer group, which is the wrong shape for a book with a self-serve half and an enterprise half, and no fee at all on payment-plan or partially paid invoices. Statements are monthly only, on one fixed day. Compact stops at four users. Price is banded by company revenue rather than invoice volume, so the bill steps up as ARR grows rather than as the ledger fills, and it rose roughly four to five times over when Chaser left its old invoice tiers. There is no subscription billing engine connector, so the recurring side stays where it is.

## 3. Upflow

Best for SaaS teams that manage collections by metric, ARR bands from under $10m to $50m and above

### What is it best for?

For a finance team that wants countback DSO and collection effectiveness measured across a subscription book, reading from the billing engine as well as the ledger, before anything is automated.

**Fits:** B2B finance teams that manage by metric, quoted in ARR bands: under $10m, $10m to $50m, and $50m and above

**Regions:** New York head office, Paris origin, customers in 30-plus countries

**Entry cost:** Not published. Upflow prints no figures and quotes by ARR band; the free Discover tier is analytics only and has to be arranged through sales. Third-party captures from 2024 put Grow at $440 a month and Scale at $880

**Rated:** 4.8 from 233 [G2](https://www.g2.com/products/upflow-upflow/reviews) reviews; 4.5 from 15 on [Capterra](https://www.capterra.com/p/193097/Upflow/) · [Xero App Store listing](https://apps.xero.com/us/app/upflow)

**Awards:** Not published

**Runs on:** Xero, QuickBooks Online, NetSuite, Sage Intacct, Stripe Billing, Chargebee, Zuora

**Late fees and interest:** No, via your ERP only. Upflow's own documentation points the job back to the ERP and there is no native computation

**Does best:** Collections analytics, with countback DSO against best possible DSO, collection effectiveness and an at-risk rate above 90 days

Upflow is the only tool in this comparison that connects to Stripe Billing, Chargebee and Zuora directly as well as to Xero, QuickBooks Online, NetSuite and Sage Intacct. For a business that raises invoices in one system and books them in another, that is the difference between one aged receivables view and two that disagree.

Measurement is the rest of the case. Countback DSO against best possible DSO, collection effectiveness, at-risk balances and billing-cohort cash forecasting arrive on dashboards that can be filtered by workflow, country or account manager and mailed on a schedule. Billing cohorts are the subscription-shaped cut of that data, because they show whether a January cohort pays worse than a July one, which is a question no aged listing answers. The free Discover tier reports those numbers and chases nobody, and it is arranged through sales rather than signed up for.

**Limitations with Upflow.** Fees are pushed back to the ERP, and a business on Xero or QuickBooks Online has no ERP to push them to, so criterion 2 scores nothing. There are no payment plans at all, only part payments a customer starts and promises to pay. Automated actions run once a day, and only on business days. Sending through your own SMTP switches off open and click tracking, the QuickBooks link is one way and polled every five minutes with payments landing in Undeposited Funds for manual reconciliation, and custom fields are capped at three text-only entries. There is no price at any tier.

## 4. Kolleno

Best for subscription businesses that need cash application, $1m turnover and above

### What is it best for?

For a subscription business receiving hundreds of bank payments a month that needs remittance parsing and bank-file matching, not another reminder schedule.

**Fits:** Order-to-cash teams above $1m turnover on the entry plan, with published tiers stepping at $10m, $100m and $1bn

**Regions:** London head office, founded 2020, selling internationally

**Entry cost:** $650 per user a month on BusinessPay, $545 on annual billing, minimum one user, for turnover above $1m; Business Plus $1,245 per user. As at August 2026, verify current pricing

**Rated:** 4.9 from 99 [G2](https://www.g2.com/products/kolleno/reviews) reviews; 5.0 from 8 on [Capterra](https://www.capterra.com/p/227932/Kolleno/) · [Xero App Store listing](https://apps.xero.com/uk/app/kolleno)

**Awards:** G2 Best Software Awards 2024

**Runs on:** NetSuite, SAP S/4HANA and Business One, Sage Intacct, Dynamics 365, Workday, Oracle JD Edwards, Epicor, Infor, Odoo, Zuora, Xero, QuickBooks Online

**Late fees and interest:** None found. No feature page or help article documents a late fee or interest calculation

**Does best:** Cash application, with email remittance parsing, BAI2, NACHA and ISO 20022 bank files, match scoring and NetSuite multi-currency journal entries

Kolleno is built around cash application, which is the deepest single capability in this comparison. Remittance emails are parsed into suggested matches, bank connections run over SFTP, and one-to-many matching, partials, credit-note offsets, foreign exchange and bank-fee handling are all in scope. A subscription business collecting by bank transfer in several currencies is the case it was designed for, and Zuora sits on its integration list beside the ERPs.

Its AI runs across every tier as insights, a copilot that drafts messages for review, and an agent that works a collections policy on its own. Payment plans split weekly, monthly or bi-monthly with automations linked to the plan, and the portal carries saved methods, scheduled payments, credit notes and disputes.

**Limitations with Kolleno.** $650 per user a month with a $1m turnover floor puts it above the budget of most SaaS businesses below Series B, and the next tier doubles that at a $10m floor. No late fee or interest function is documented anywhere in its materials, so the charge stays a manual job. On the subscription side there is Zuora and nothing else, with no Stripe Billing, Chargebee or Recurly connector. Reviewers keep naming navigation and reporting depth as the weak points, and letters and calls are not available as workflow actions.

## 5. Growfin

Best for NetSuite and Salesforce SaaS finance teams, no price published

### What is it best for?

For an enterprise SaaS finance team running collections out of NetSuite and Salesforce that wants remittance extraction, matching and a shared AR inbox in one place.

**Fits:** Enterprise and upper mid-market finance teams on NetSuite, with collections worked alongside Salesforce. No revenue band published

**Regions:** Delaware-registered, engineering team largely in Chennai, selling mainly to United States enterprises

**Entry cost:** Not published. The vendor's pricing page returned a 404 at the July 2026 check and no pricing page has ever been archived. A November 2022 buyer review records $2,500 of setup and $8,500 a year due upfront, indexed to revenue. As at August 2026, verify current pricing

**Rated:** 4.5 from 68 [G2](https://www.g2.com/products/growfin/reviews) reviews; 4.3 from 6 on [Capterra](https://www.capterra.com/p/250264/Growfin/)

**Awards:** Not published

**Runs on:** NetSuite, Salesforce, Slack, Zuora. No Xero, QuickBooks Online, Sage Intacct or SAP evidence

**Late fees and interest:** None found. No late fee or interest function is marketed on any product page

**Does best:** Cash application, with remittance extracted from PDFs, spreadsheets, lockboxes and email, and matches proposed with a confidence score and a stated reason on the exceptions

Growfin has two real products: cash application and a shared AR inbox. The inbox summarises a thread, classifies it against an account, recommends the next action and drafts a reply for someone to approve, and it syncs with Salesforce, HubSpot and Slack so the collections conversation happens where the account team already is.

Its collections logic separates low-touch accounts from multi-stakeholder ones and adjusts follow-ups and escalations from account signals, which maps neatly onto a subscription book that carries both. Credit risk is scored from live factors and refreshed continuously through a bureau partnership added in January 2026.

**Limitations with Growfin.** Nothing is published on price at any tier, and there is no free tier and no trial, so the cost of putting it on a shortlist cannot be compared with anything else here. No late fee or interest function is marketed at all and no payment plan function is documented. There is no Xero or QuickBooks Online evidence, which rules it out for most subscription businesses under $10m of ARR. Reviewers name mailbox handling, limited customisation and slow page switching, and the G2 review base has not moved since May 2026.

## Where the billing engine stops and the ledger starts

Stripe Billing, Chargebee and Recurly run the recurring charge, prorate an upgrade, retry a declined card and email the account owner while the subscription is live. None of them collects a net-60 invoice that a customer's accounts payable team has simply not scheduled yet.

That boundary is the whole reason this page exists. The three billing engines are named here rather than ranked, because none publishes a verified feature and pricing record against the criteria at the top, and because they are not competing for the same job.

The invoiced half grows as a SaaS business moves upmarket. Every enterprise logo added to the wall is another purchase order, another invoice and another payment run, collected exactly the way a manufacturer collects, and the tools above are what covers that. A business that is still 90% card revenue can leave this category alone. A business where a quarter of ARR now arrives as invoices cannot, because that quarter is the part of the book nothing is currently chasing.

## Chasing without spending the renewal

A subscription business has a constraint on enforcement that almost no other kind of business has: the renewal date. A fee raised six weeks before an annual renewal is a retention decision rather than a collections one, and customer success usually hears about it after the customer does.

Which is how so many subscription businesses end up with the fee switched off everywhere. Somebody drafts the rule, somebody else points out what it would do to the three accounts renewing this quarter, and the safe answer is to disable it for the whole book rather than argue account by account.

The book does not need one answer. It has at least two halves that want opposite settings.

On the self-serve half the fee should be fast and automatic. The balances are small, there is no account manager, the relationship is with a product rather than a person, and nobody escalates a $40 charge to a quarterly review. Chasing here is a volume problem and the fee is just another step in the schedule.

On the enterprise half it should be slow and reviewed. The balance is large enough for the interest to matter, the rate is already written into the order form, and the sequence needs to stop short of the renewal window so that next year's conversation does not open with an argument about last quarter. Raising the charge as a draft rather than an approved document is what makes that reviewable by a human before it reaches the customer.

Running both at once needs more than one policy pointed at different customer groups. Paidnice holds policies under customer groups, so a self-serve group, an enterprise group and a group of accounts inside their renewal window each carry their own rate, timing and escalation, with the charge raised on the ledger as Draft or Approved. Chaser documents four calculation types recalculated daily, but as one global rule that cannot vary by schedule or customer group, and raises no fee at all on payment-plan or partially paid invoices. Upflow points fee calculation back to the ERP. Neither Kolleno nor Growfin documents an interest function, so both are None found on this test.

Where only a single global rule exists, the outcome is predictable. The rate gets set for the most sensitive account on the book, and the most sensitive account on the book is always the one that should not be charged, so the rate gets set to nothing.

## Two systems, one accounts payable inbox

The same customer exists twice. Once in the billing engine as a subscription, once in the ledger as an invoice, and both systems are writing to the same accounts payable inbox.

The failure mode is ordinary and it is embarrassing. A dunning email from the billing engine and a chase from the AR tool land on the same morning quoting different amounts, and the accounts payable clerk who receives both now has to work out which one is real. Usually neither gets paid until someone from the vendor telephones.

Two things prevent it. The first is deciding which system owns which half of the book and suppressing the other, which in practice means keeping accounts the billing engine is already dunning out of the ledger-side policy, as a customer group somebody maintains. The second is agreeing on the identifier. A billing engine keys on a subscription or customer object; a ledger keys on a contact record. The two disagree the moment a customer has more than one entity, a parent company, or a procurement alias that does not match the name on the subscription.

None of the five tools here reads dunning state out of a billing engine. Upflow connects to Stripe Billing, Chargebee and Zuora and can therefore see the invoices, but invoice data is not retry state. For the other four the billing engine is invisible until an invoice arrives in the ledger, so the suppression stays a process rather than an integration.

## Net-terms enforcement on an enterprise contract

On the invoiced half a late fee is a contract term rather than an entitlement. The rate has to be in the signed order form or master services agreement, inside whatever limit the customer's state allows, before a cent of it can be charged.

Enterprise contracts carry that clause more reliably than almost any other kind of agreement, and charge it less often. Part of the reason is the renewal. The rest is turnover: the person who signed the order form has often left by the time the invoice is 60 days late, and nobody remaining on the account wants to be first to raise interest with their replacement.

The counter-argument is that a raised fee is the only thing an account manager has left to give away. A charge sitting on the customer's own ledger can be waived in writing, on the record, in exchange for the invoice clearing this week. A fee that was never raised is not a concession.

### What a fee is worth on one annual invoice

The calculation is the overdue balance multiplied by the annual rate, apportioned across the days the invoice ran late. On annual contract values the number gets large quickly, which is exactly why it never gets raised by hand.

One annual contract, worked through. On $24,000 overdue for 45 days at 12% a year, the late fee is $355.07. Every further 30 days adds $236.71, and by 90 days overdue the fee reaches $710.14. The three inputs can be changed on the page to match a specific account.

One annual contract, at a size a mid-market SaaS business would recognize. Multiply it by the net-terms invoices that get written off each year as too awkward to chase before a renewal, and the total is the reason the clause exists at all. The rate has to be agreed in the contract before it can be charged.

## Installments against an annual invoice

Installments against an open invoice come from Paidnice, Chaser and Kolleno. Upflow offers a promise to pay plus ad-hoc part payments rather than a schedule, and no installment function is documented for Growfin.

Two things that sound alike are worth separating first. Monthly billing on an annual contract changes what the billing engine raises in the first place, and it is a pricing decision. An installment plan splits an invoice that already exists and is already late, and it is a collections instrument.

What decides the choice is what chases the plan once it has been agreed. Chaser splits an invoice from weekly through to yearly, but the chasing stays pinned to the original invoice due date rather than to the installment dates, and its own documentation advises chasing the installments by hand. Kolleno splits weekly, monthly or bi-monthly with automations linked to the plan, though uneven totals are split manually and there are no interest, deposit or approval options.

There is also a fee interaction worth knowing before a plan is offered to anybody. Chaser raises no fee on a payment-plan or partially paid invoice, so agreeing a plan on that tool switches enforcement off for that invoice permanently.

## Stripe Billing, Chargebee, Zuora and your ledger

Two systems narrow this shortlist: the accounting ledger the invoice lands in, and the billing engine that raised it. Only one tool here reads both.

- **Stripe Billing, Chargebee and Zuora.** Upflow reads all three directly. Kolleno and Growfin connect to Zuora only. Paidnice and Chaser treat Stripe as a payment rail rather than a source of invoices, so an invoice raised in a billing engine has to reach Xero or QuickBooks Online before either can act on it.

- **Xero.** Paidnice, Chaser, Upflow and Kolleno all connect. There is no Xero evidence for Growfin.

- **QuickBooks Online.** The same four. Upflow's link is one way and polled every five minutes, with payments landing in Undeposited Funds for someone to reconcile, which is worth knowing before buying on that ledger.

- **NetSuite and Sage Intacct.** Kolleno, Upflow and Chaser, with Growfin on NetSuite. For Paidnice, NetSuite, Sage Intacct, MYOB and Dynamics 365 Business Central are Custom-plan territory, and a build rather than a connector.

## What SaaS AR software costs in 2026, on top of the billing stack

Published entry prices as at August 2026: Paidnice $69 a month, Chaser £199, Kolleno $650 per user. Upflow and Growfin publish nothing at any tier.

None of these prices replaces anything. Stripe Billing, Chargebee or Recurly is still a separate line on the same budget, so a SaaS business buying accounts receivable software is adding to that spend rather than swapping it out, and the case has to be made against the invoiced half of revenue rather than against all of it.

Watch the pricing axis rather than the headline, because two of these models scale on things a SaaS business grows quickly. Kolleno charges per user with a turnover floor, so the bill moves with the size of the finance team and again with the size of the company. Chaser bands by company revenue, so it steps up as ARR does rather than as the ledger fills. Paidnice charges on invoice volume, flat, with no per-seat fee, which suits a business whose invoice count grows more slowly than its headcount, and that is the usual shape once enterprise contracts start replacing self-serve accounts.

Two publish nothing usable. Upflow removed its prices and quotes against ARR bands; the $440 and $880 figures still circulating are third-party captures from 2024. Growfin has never published a pricing page, and the only figures on record come from one buyer review in November 2022.

Roughly where each tool lands by ARR:

- **Under $1m.** Mostly card revenue with a handful of invoiced contracts. Paidnice at $69 a month if the fee matters as much as the reminder, and the billing engine's own dunning for the card side.

- **$1m to $10m.** The invoiced half is now material. Paidnice for per-group policies and flat pricing, Chaser at £199 a month for four-channel chasing and credit checks on new enterprise accounts, Upflow if nobody can currently state DSO.

- **$10m to $50m.** Upflow for measurement across the billing engine and the ledger, Kolleno if bank payments arrive faster than anyone can match them, Chaser Core at £599 a month for a single system.

- **Above $50m.** Kolleno and Growfin, both priced for a finance team rather than a founder, both built around cash application, and both leaving the late fee to you.

## What SaaS finance leads ask

The questions that come up most often once a subscription business realises the invoiced half of its book is not being chased by anything.

### Which accounts receivable tool should a SaaS business buy first?

On Xero or QuickBooks Online, Paidnice, because the reminder, the fee policy and the statement schedule are all set per customer group, so a self-serve account and an enterprise contract run different rules at the same time, from $69 a month. Where the book is a short list of large invoices and the escalation needs letters and calls, Chaser, from £199 a month. Both prices are as at August 2026 and should be re-checked before purchase.

### How is a SaaS receivable different from an ordinary one?

It is two receivables wearing one name. Recurring card revenue is collected by the billing engine, which retries the card and emails the account owner while the subscription is live. Invoiced revenue on annual and enterprise contracts is collected off the accounting ledger on net 30 or net 60, in somebody else's payment run, and that half grows every time the business moves upmarket.

### Do we still need this if we already run a subscription billing engine?

If any revenue is invoiced on net terms, yes. A billing engine runs the recurring charge and the card retry. It does not chase an invoice that a customer's accounts payable team has not scheduled, it does not raise a fee on the accounting ledger, and it does not issue a statement covering several open contracts. Those are the jobs the five tools here do.

### Can a late fee be raised without risking the renewal?

Only where the rule can be pointed at some accounts and not others. Paidnice runs a policy per customer group and raises the charge on the customer's ledger as Draft or Approved, with compounding on by default, so an enterprise group inside a renewal window can be held back while the self-serve group carries on. Chaser applies four calculation types through a single global rule, which cannot be varied by schedule or customer group, and it skips payment-plan and partially paid invoices. Upflow points the job at your ERP, and neither Kolleno nor Growfin documents an interest function.

### Which tools read from Stripe Billing, Chargebee or Zuora?

Upflow connects to all three directly, alongside Xero, QuickBooks Online, NetSuite and Sage Intacct. Kolleno and Growfin connect to Zuora. Paidnice and Chaser treat Stripe as a payment rail rather than as a source of invoices, so anything raised in a billing engine has to reach Xero or QuickBooks Online before either tool can chase it.

### What does this cost on top of the billing stack?

Every number below dates from the August 2026 check, so re-check before you buy. Paidnice is $69 a month on Essentials with up to two team members, and from $99 on Pro with unlimited users. Chaser costs £199 a month up to the £4m revenue band. Kolleno is $650 per user a month with a $1m turnover floor. Upflow and Growfin publish no price. None of it replaces the billing engine underneath.

### Our accounting package already sends reminders. What does this add?

Xero and QuickBooks Online do not know a renewal date and cannot vary the chase by contract type, which is the whole problem on a subscription book. They send one reminder on a fixed schedule, raise no fee, issue no statement across several open contracts, and report nothing on collection performance. On a book where a $49 self-serve account and a $60,000 annual contract sit in the same aged listing, one reminder template is not a policy.

## Related reading for subscription finance

Buyer's guide

### Best accounts receivable software (by business type)

The pillar guide: the category end to end, sorted by size and by ledger.

Dunning

### Best dunning software

Where a dunning sequence stops, and who raises the charge at the end of it.

By accounting system

### Best AR software for Xero

What plugs into a Xero organisation, ranked on what happens after the reminder.

Alternatives

### Best Upflow alternatives

Six tools against Upflow on who raises the fee, what it costs and who rated it.

## Sourcing, independence and the August 2026 check

Every price here comes from the vendor's own pricing page, in the currency that page prints, with no conversion applied. Every rating carries the platform it came from and the number of reviews behind it. Where a vendor publishes nothing, the cell says which kind of nothing rather than filling the gap with an estimate.

The page was re-checked in August 2026, and it is re-checked on every edit. The five criteria at the top are applied in the printed order, to every tool, which is why Growfin finishes fifth on a higher review score than two tools above it. Criterion 1 removes it: there is no Xero or QuickBooks Online evidence, and most subscription businesses reading this run one of those two.

Where a criterion cannot be scored for every tool, it is printed as a fact in the entry that has it instead of being used to order the list. Upflow's and Growfin's entry prices could not be verified, so price was not scored for either.

Accounting.Events publishes this page. No vendor pays for a place on it, no placement is sold, and nothing here was shown to a vendor before publication. Products with no public feature and pricing record are named in the prose where they are relevant and left out of the ranking, which is why Stripe Billing, Chargebee and Recurly appear above the table rather than inside it.