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Flat Invoice vs DayFive

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Flat Invoice compared with DayFive
Detail Flat InvoiceDayFive logo DayFive
What it doesSend the invoice. Skip the chasing. Your AP stack in one app
StageNot given Startup
FoundedNot given 2024
Based inUS GB
Pricing modelFreemium Freemium
Pricing3 invoices per month free, then $2 per invoice. Pro plan: $9 per month or $79 per year for unlimited invoices. Edits, resends and reminders are free. Free: £0/mo (0 transactions/month, 1 user); Entry: £20/mo (10 transactions/month, up to 5 users); Mid: £100/mo (75 transactions/month, up to 25 users); Top: £250/mo (250 transactions/month, up to 250 users). All plans include every feature.
Key features
  • Automatic payment reminders on day 3, 7 and 14
  • Late fee calculator with interest calculation
  • Ready-to-send reminder email templates
  • Direct client payments
  • Optional Stripe integration for card and bank payments
  • Free edits and resends
  • Free late fee calculator tool
  • Unlimited invoice drafts on free plan
  • AI invoice data extraction validated against your ledger
  • Automated accruals and prepayments with forex handling
  • Multi-level approval hierarchies
  • Missing and due invoice tracking and alerts
  • Document search by reference or AI-extracted invoice number
  • Granular access control for vendors and expenses
  • Audit-ready reports and CSV or Google Sheets export
  • ERP integration with Xero, QuickBooks Online and Sage
  • Budget controls and expense limits
  • Slack Integration
What makes it different
  • Never touches client payments or takes a percentage
  • Automatic reminders reduce payment chasing
  • Free late fee calculator included with service
  • Simple pricing with no setup fees
  • Single comprehensive app replacing multiple disconnected tools
  • AI extraction with human oversight and ledger validation for financial accuracy
  • All features included in every plan with no feature gating
  • Automatic journal creation with accruals and prepayments in correct accounts and periods
  • Direct ERP integration running in minutes without manual exports
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check3 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)1215
Referring domains (Majestic)34

6 details filled in for both companies.

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