Ramp AP offers invoice OCR and approval workflows, with Android and iOS apps and a free plan.
Best Accounts Payable Software in 2026
Ramp AP leads this chart of 97 (8.8/10, free plan). BILL Accounts Payable is next (8.5/10), and Nanonets Accounts Payable Automation is the next highest-placed with a free plan (8.3/10). Accounts payable software captures invoices, routes approvals, matches purchase orders, connects with accounting systems and can execute payments. Compare the workflows you need with Android access, pricing and supported platforms. Check whether a tool has an Android app if you need to review or act from a Xiaomi, Redmi or POCO phone. Also compare web, iOS, Windows, API or self-hosted access, plus invoice capture,…
BILL Accounts Payable uses AI for invoice capture and has Android and iOS apps; a free trial is available.
Nanonets Accounts Payable Automation uses AI agents to manage accounts payable from invoice intake through payment runs, guided by supplier terms,…
- 4
Ottimate
Ottimate captures invoice headers and line items and automates invoice coding, with Android and iOS apps.
Free planAndroidiOSWebAPI8.2$0.50 one-time - 5
Tradeshift
Tradeshift is a cloud platform for accounts payable, e-invoicing, compliance and clearance for buyers and suppliers.
Free planWebAPI8.1Free plan - 6

Flowie
Flowie offers approval workflows, web access, API and self-hosted options, and a free plan.
Free planWebAPISelf-hosted8.0From €12 a month - 7
Melio
Melio uses AI to read invoices and route them for review; Android and iOS apps and a free plan are available.
Free planAndroidiOSWeb8.0Free plan - 8
Gravity Software
AndroidiOSWebAPI8.0 - 9
Vic.ai APSuite
Vic.ai APSuite routes invoice approvals using rules for roles, vendors, amounts, accounts, and more.
AndroidiOSWebAPI7.9From $25,000 a year - 10
Relay Bill Pay
Android, iOS and web bill payment with AI invoice handling and approval workflows.
AndroidiOSWeb7.9From $30 a month - 11
PairSoft AP Automation
PairSoft AP Automation is an AI-powered accounts payable tool that connects with an ERP to manage invoice processing, purchase orders, approvals, and AP visibility.
AndroidiOSWebAPI7.9From $10,000 a year - 12

ApprovalMax
ApprovalMax automates accounts payable and receivable approvals, giving businesses tools to manage financial processes.
AndroidiOSWebAPI7.8 - 13
7.8From $199 a month - 14
Oracle Fusion Cloud Expenses
Oracle Fusion Cloud Expenses is paid expense management software for handling reports, approvals, audits, reimbursements, travel authorization, and cash advance requests.
AndroidiOSWebAPI7.8 - 15
Rossum AP Automation
Web and API AP software with a 14-day trial, starting at $18,000 per year.
WebAPI7.7From $18,000 a year - 167.6From £159 a month
- 17
Veryfi Accounts Payable Automation
Free planAndroidiOSWebAPI7.6From $500 a month - 18

OpenEnvoy
OpenEnvoy handles invoice intake with AI, approval flows, and purchase-order matching in a web app.
Free planWeb7.5Free plan - 19

Esker Accounts Payable Automation
Esker Accounts Payable Automation is a cloud platform for processing invoices from receipt through posting to an ERP.
AndroidiOSWebAPI7.5 - 20

Billacle
Free planWeb7.3Free plan - 21
Basware
Basware automates procure-to-pay work across procurement, accounts payable, and invoice processing.
AndroidiOSWebAPI7.3 - 22

SAP Concur Invoice
SAP Concur Invoice is cloud-based accounts payable software for finance teams.
AndroidiOSWeb7.2 - 23
Hyland AP Automation
Hyland AP Automation helps accounting and finance teams capture, manage and route invoices through review, coding, approval and posting.
AndroidiOSWebAPI7.1 - 24

Stampli
Stampli uses AI to read invoices and route them for review; Android and iOS apps are available.
AndroidiOSWeb7.1 - 25

Rillion
Rillion uses AI to read invoices, route reviews, match purchase orders, issue payments, and manage multiple entities.
AndroidiOSWeb7.1
Choosing well
Which platforms does it need to run on?
Choose a service with an Android app when phone access matters; web access can cover desktop use, while iOS, Windows, API and self-hosted options suit other setups.
Platform coverage differs by product. For example, Ramp AP, BILL Accounts Payable and Melio should be checked against your required phone and desktop workflow before sign-up.
How does it capture invoices?
Pick invoice capture that fits how suppliers send bills and how much manual entry your team can handle.
Compare capture support alongside approval workflows, so invoices can move from intake to review without breaking your process.
Does it match purchase orders and approvals?
Look for approval workflows and purchase-order matching when invoices need checks before payment.
Confirm that the rules fit your approval path and that matching is available for the purchase orders your accounting team uses.
Will it connect accounting and execute payments?
Select a product with the accounting integrations and payment execution your finance process requires.
Review these capabilities together: a tool may support integrations but still need a separate payment step, so check the stated coverage for your setup.
What will it cost as the setup grows?
Compare a real free plan, readable paid-from pricing and a free trial before committing; pricing on request needs a direct quote.
Check multi-entity support if you manage more than one company or legal entity, and verify plan limits before choosing.
Questions people ask
Which accounts payable software has an Android app?
Android availability varies by product. Check the platform details for the tool you are considering; web access is also common in this category.
What should accounts payable software compare?
Compare free plan, paid-from price, invoice capture, approval workflows, purchase-order matching, accounting integrations, payment execution and multi-entity support.
Is there free accounts payable software?
A real free plan is listed for some products. Others offer a free trial or paid plans, so check the product's stated pricing before choosing.
Can accounts payable software match purchase orders?
Purchase-order matching is one of the comparison fields for this category. Confirm that the product supports the matching workflow your team needs.
Does accounts payable software support multiple entities?
Multi-entity support is a comparison field. Check the product details and plan terms to confirm coverage for your organizations.


