Flat Invoice vs Royalties HQ

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 Royalties HQ
Detail	Flat Invoice	Royalties HQ
What it does	Send the invoice. Skip the chasing.	Royalty and rights management software for independent book publishers
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	GB
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.	Starting from $100/month for up to 100 ISBNs. Includes unlimited team users, unlimited royalty runs, free data migration, and all features. Discounts available for charities and not-for-profit publishers.
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	Tiered and escalating royalty rates Multi-author splits and co-author royalty management Advance tracking and recoupment One-click PDF statement generation Sales file imports from major distributors Rights management for translation and subsidiary rights Monthly sales reports for authors Data export and no lock-in
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	Reduces royalty runs from days to hours Enterprise-grade features at independent publisher prices Free data migration from existing systems No hidden fees or per-user charges
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	19 no change since last check
Trust Flow (Majestic)	0	10
Citation Flow (Majestic)	12	24
Referring domains (Majestic)	3	12

6 details filled in for both companies.

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