Flat Invoice vs Intaj Invoice

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 Intaj Invoice
Detail	Flat Invoice	Intaj Invoice
What it does	Send the invoice. Skip the chasing.	Free invoice and quote maker that runs in your browser, no sign-up required
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	3 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: unlimited invoices and quotes with "Made with Intaj Invoice" footer. Pro: $39 per year or $75 once, includes unlimited saved documents, client library, item library, three templates with custom colors, quote-to-invoice conversion, payment tracking, CSV export, and 14-day free trial.
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	Support for 17 document languages including Arabic right-to-left Automatic invoice numbering continuation Support for 57 currencies Custom tax rates and multiple tax lines Works offline after first visit Quote to invoice conversion in Pro Search and filter saved documents in Pro Saved clients and item library in Pro CSV export for accountants in Pro Custom accent colors for templates in Pro
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	No sign-up required, data stays on your device only Bilingual documents - fill in one language, send in another Works offline and installs as a browser app Unlimited free invoices and quotes Industry-specific templates for different trades
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	13 no change since last check
Trust Flow (Majestic)	0	15
Citation Flow (Majestic)	12	13
Referring domains (Majestic)	3	3

5 details filled in for both companies.

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