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Best Invoice Approval Software in 2026

Invoice approval software can help organize how invoices move through review and sign-off. Compare approval audit trails, conditional routing, delegated approvals, and parallel approvals to assess how entries handle different approval paths. Invoice comments and mobile approval offer additional workflow points to consider, while free-plan availability and paid-from pricing help frame access and cost. Keelstar, Nanonets Approval Routing Agent, and hh2 AP Routing & Approval are among the options; Vic.ai APSuite is also included. Consider who reviews invoices, how decisions need to be recorded, and whether your process calls for delegated or simultaneous approvals.

  1. 1

    Nanonets Approval Routing Agent

    Free plan APISelf-hostedWeb
    7.0 Free plan · paid from $100/mo Visit site
  2. 2

    Keelstar

    Free plan APIWeb

    Keelstar focuses on monitored document workflows with audit records, permissions and exports across several business functions.

    6.9 Free plan · paid from $49/mo Visit site
  3. 3

    Hili Billing

    Free plan Web

    Hili Billing centers billing review and owner approvals on a maintenance work order, with a recorded approval history.

    6.8 Free plan · paid from $29/mo Visit site
  4. 4

    ApprovalMax

    by ApprovalMax
    Free trial AndroidAPIiPhone+1

    ApprovalMax combines financial approval workflows with accounting integrations and mobile request handling.

    6.6 Pricing on request · 14-day trial Visit site
  5. 5

    Azopio

    Free trial AndroidAPIiPhone+1

    Choose Azopio if your business needs invoice capture, rule-based approvals, and centralized financial-document search, with mobile receipt submission and accounting exports.

    6.5 14-day trial Visit site
  6. 6

    TREX Grow

    Free plan Web

    Choose TREX Grow if your SME needs connected sales and operations workflows, with plans that extend from invoicing to purchasing and warehouse controls.

    6.5 Free plan · paid from $40/yr · 30-day trial Visit site
  7. 7

    Aptien

    Free trial APISelf-hostedWeb

    Aptien covers invoice routing, approvals, records, and audit evidence with options for integrations and customer-hosted data.

    6.4 30-day trial Visit site
  8. 8

    Cflow

    by Cflow
    Free trial AndroidAPIiPhone+2

    Cflow combines workflow design, approvals, AI decision support, and third-party connections.

    6.4 From $22/user/mo · 14-day trial Visit site
  9. 9

    DocuClipper Invoice Approval

    Free trial AndroidAPIiPhone+4

    DocuClipper Invoice Approval covers extraction, rule-based routing, validation, and posting to accounting systems. It does not handle vendor payment, and its listed Starter price is billed annually.

    6.4 From $20/mo · 14-day trial Visit site
  10. 10

    Envoice

    Free trial AndroidAPIiPhone+1

    Envoice brings expense capture, approvals, reporting, and sales invoicing into a pre-accounting platform with mobile and browser access.

    6.3 From $10/mo · 14-day trial Visit site
  11. 11

    COMMITLY

    Free trial APIWeb

    COMMITLY brings forecasting, scenario planning and invoice approvals into one cash-flow platform, with API and bank connections for business workflows.

    6.1 From €12/mo · 14-day trial Visit site
  12. 12

    FireStart

    by FireStart
    Free trial APISelf-hostedWeb

    FireStart combines BPMN modeling, workflow automation, integrations, and detailed audit controls.

    6.1 From €390/mo Visit site
  13. 13

    Lightyear

    by Lightyear
    Free trial AndroidAPIiPhone+1

    Lightyear brings invoice processing, purchasing and expenses into one platform with mobile apps and integration options.

    6.1 From $199/mo · 30-day trial Visit site
  14. 14

    Bruvora Receivables

    Free trial Web

    Bruvora Receivables focuses on controlled invoice workflows, collections, disputes, and reconciliation reporting.

    6.0 From $645/mo · 14-day trial Visit site
  15. 15

    Pleo

    Free trial AndroidAPIiPhone+1

    Choose Pleo if your business wants spending cards and expense management with accounting integrations and multiple currencies.

    6.0 From $14/user/mo (annual) Visit site
  16. 16

    Document Logistix AP Approval Workflow

    Paid iPhoneMacSelf-hosted+2

    Consider Document Logistix AP Approval Workflow if your organization needs configurable invoice routing, coding, and purchase order checks in one approval process.

    5.9 Pricing on request Visit site
  17. 17

    ApprovalSoft

    by ApprovalSoft
    Paid WebWindows

    ApprovalSoft covers document intake, configurable routing, exports, and transaction audit support.

    5.8 Pricing on request Visit site
  18. 18

    FinControl

    Paid AndroidAPIiPhone+1

    FinControl covers invoice capture, review, controls, approvals, exports, and retention with mobile and Microsoft 365 options.

    5.8 From €49/mo Visit site
  19. 19

    Finmatics

    Paid AndroidAPIiPhone+1

    Finmatics combines invoice extraction, booking suggestions and approval workflows for accounting teams. Consider the listed plan terms, demo limit and available integrations when assessing fit.

    5.8 From €750/mo (annual) · 30-day trial Visit site
  20. 20

    Xtract

    Free trial AndroidAPIiPhone+1

    Xtract covers invoice intake, approval, reporting, and accounting-system posting, with an expense app alongside its core workflow. Buyers should request pricing and contact sales to arrange the trial.

    5.8 Pricing on request Visit site
  21. 21

    DOKKA

    by DOKKA
    Paid AndroidAPIWeb

    DOKKA lists functions across invoice capture, approvals, purchase order matching, and multi-entity work. Compare those needs with its $650/mo starting price and web or Android availability.

    5.7 From $650/mo Visit site
  22. 22

    Invoicera

    by Invoicera
    Paid WebiPhoneAndroid+1

    Choose Invoicera if your billing needs include recurring invoices, payment collection and reminders, with plan options for larger invoice volumes and teams.

    5.7 From $50/mo (annual) · 7-day trial Visit site
  23. 23

    DayZero

    Paid APIWeb

    DayZero combines finance services with accounting software, automation, reporting, and developer controls. Its scoped engagements and request-based pricing require a direct discussion before starting.

    5.6 Pricing on request Visit site
  24. 24

    Flowers

    Paid AndroidiPhoneWeb

    Flowers combines configurable no-code workflows, extensive integrations, mobile approvals, and document controls.

    5.6 Pricing on request Visit site
  25. 25

    TurboDoc

    Free trial APIWeb

    TurboDoc combines document extraction with review and export tools for accounting workflows.

    5.6 From $6/mo Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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