Best Accounts Payable Software in 2026

In short: Ramp AP is ranked #1 of 97 as of 4 October 2026, ahead of OpenEnvoy and Nanonets Accounts Payable Automation. The best-ranked option with a free plan is OpenEnvoy. The lowest first paid tier on this page is Flowie at €12/mo.

Accounts payable software can cover invoice handling, approvals and payment execution. Compare invoice capture, approval workflows and PO matching with accounting integrations and multi-entity support to understand how the options relate to your finance processes and systems. Payment execution is another key workflow detail; free-plan availability and the paid-from price add cost context. Ramp AP, OpenEnvoy and Nanonets Accounts Payable Automation are among the named options, as are Flowie and Melio. Use the listed criteria to weigh the steps your team needs to manage, from matching invoices to purchase orders to handling work across entities.

97 accounts payable software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

97ranked
12free plans on this page
€12/molowest paid tier
4 Oct 2026last checked

12 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.

#AppSignalFree tierOpen codeDevicesFromScore
1Ramp APWeb · Android · iPhone · API · Extension Three bars—3 of 6$15/mo8.2
2OpenEnvoyWeb Two bars—1 of 6Free7.8
3Nanonets Accounts Payable AutomationWeb · API Two bars—1 of 6Free7.6
4FlowieWeb · Self-hosted · API Two bars—1 of 6€12/mo7.5
5MelioWeb · Android · iPhone Three bars—3 of 6$2,520/mo7.4
6Relay Bill PayWeb · Android · iPhone Three bars—3 of 6$30/mo7.1
7Hyland AP AutomationWeb · Android · iPhone · API Two bars——3 of 6—7.0
8BillacleWeb Two bars—1 of 6₹10,000/mo6.9
9AvidXchangeWeb One bar——1 of 6—6.8
10BILL Accounts PayableWeb · Android · iPhone · API Two bars——3 of 6$49/mo6.7
11Bottomline AP AutomationWeb · Android · iPhone One bar——3 of 6—6.7
12Docsumo Accounts PayableWeb Two bars—1 of 6Free6.7
13Easy Invoice ManagerWeb Two bars—1 of 6$15/mo6.7
14SAP Concur InvoiceWeb · Android · iPhone Two bars——3 of 6—6.6
15ISPnext AP AutomationWeb One bar——1 of 6—6.6
16Vic.ai APSuiteWeb · Android · iPhone · API Two bars——3 of 6$2083.33/mo6.6
17Tipalti Accounts PayableWeb One bar——1 of 6$99/mo6.5
18FIS Integrated Invoice-to-PayNo platforms listed No signal——0 of 6—6.5
19Esker Accounts Payable AutomationWeb · Android · iPhone · API Two bars——3 of 6—6.5
20RhoWeb · Android · iPhone · API Three bars—3 of 6Free6.5
21Kotlin/JSWeb · Windows · Mac · Linux Three bars—4 of 6Free6.5
22Quadient APWeb One bar——1 of 6—6.4
23RillionWeb · Android · iPhone Two bars——3 of 6—6.4
24Veryfi Accounts Payable AutomationWeb · Android · iPhone · API Three bars—3 of 6$500/mo6.4
25ZoneCaptureWeb One bar——1 of 6—6.3

Is your app on this list?

Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.

Questions about this list

Which accounts payable software is ranked first on Freedom251?

Ramp AP is ranked #1 of 97 with a score of 8.2. OpenEnvoy is second and Nanonets Accounts Payable Automation third.

How many of these have a free plan?

12 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, Flowie has the lowest first paid tier we found: €12/mo.

How is this list ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.

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