Flat Invoice vs Churnproof

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 Churnproof
Detail	Flat Invoice	Churnproof
What it does	Send the invoice. Skip the chasing.	AI employee that chases unpaid invoices
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	AU
Pricing model	Freemium	Paid
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.	From $19/month
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	Chases unpaid and overdue invoices by SMS and email Keeps business owners updated by text message Integrates with Xero
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	Dedicated AI employee specifically trained for invoice follow-up Automates customer payment reminders across SMS and email
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	9 +2 (up) since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	12	12
Referring domains (Majestic)	3	2

6 details filled in for both companies.