Flat Invoice vs Koody

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 Koody
Detail	Flat Invoice	Koody
What it does	Send the invoice. Skip the chasing.	Cash flow management and tax prep for businesses
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	US
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 plan at $0.00/mo includes manual transaction input, bank account adding, up to 1 year history, transaction categorization, and Koody AI. Standard plan is $2.99/mo with up to 3 years history and exports. Plus plan is $4.99/mo with statement imports, auto-categorization, unlimited history, and bu
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	Automatic transaction categorization Import PDF and CSV bank statements Profit and loss reports Cash flow tracking by week and category Year-over-year profit comparison Manual transaction entry Receipt and invoice attachment Export reports for accountant Tax set-aside calculation
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	Works without bank login - import statements manually or use PDF/CSV files Keeps personal and business transactions separate in the same account Built-in business categories from tax forms See cash flow patterns by week to make informed spending decisions
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	24 +1 (up) since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	12	28
Referring domains (Majestic)	3	75

6 details filled in for both companies.

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