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Atoms vs Base44: catalog facts
Atoms	Base44
Freemium Sign-up is open; paid plans are listed on the pricing page.	Freemium Free to start, with usage measured in credits.
Web	Web
Builds complete websites and apps from a prompt No coding required	Hosting, database, auth and payments included No coding needed
Hosted service only Plan limits are not detailed on the homepage	Apps are tied to the Base44 platform Credit-based usage limits
Web application	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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