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InboxBill vs ApprovalMax: Invoice Approval Compared

ApprovalMax is primarily an approval workflow tool that integrates with Xero and QuickBooks. InboxBill combines invoice capture, extraction, and approval in a single tool built for FreeAgent. Here's the comparison.

FeatureInboxBillApprovalMax
Primary functionCapture + extract + approve + syncApproval workflows only
Invoice captureYes (email forwarding + AI)No (needs separate capture tool)
FreeAgent supportYesNo
Xero supportComing soonYes
QuickBooks supportComing soonYes
Multi-level approvalSimple queueComplex multi-step workflows
PricingFrom £15/monthFrom £30/month

The key difference

ApprovalMax is an approval layer that sits on top of your accounting software. You still need a separate tool for invoice capture. InboxBill does both — capturing from email and routing through an approval queue before syncing to FreeAgent.

One tool for the full workflow

Capture, extract, approve, and sync — all in InboxBill.

Try InboxBill free