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Mataroa vs Substack: catalog facts
Mataroa	Substack
Freemium Free for most features; premium with custom domain and post by email costs $9 per year.	Free Free to start a publication; writers can charge readers for subscriptions.
Web, Self-hosted	Web
No ads, tracking cookies or email needed to sign up Easy export, including EPUB and monthly auto-exports	Newsletter, blog and podcast in one publication Built-in paid subscriptions
Custom domains require the premium plan Deliberately minimal design and features	Hosted only, with limited design control Discovery and reading revolve around the Substack app and feed
Self-hosted, Hosted service	Web application, Hosted service
Open source	Closed source
License: AGPL-3.0	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.