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Bluesky vs Primal: catalog facts
Bluesky	Primal
Free Free to use; the flagship app is a hosted service built on the open AT Protocol.	Free The web client can be used without payment; pricing details are not shown on the page.
Android, iOS, Web	Android, iOS, Web
Built on an open protocol rather than one closed platform Lets users migrate their identity between providers	Web and mobile versions of the same client Built-in wallet next to the social feed
Most users rely on the official hosted service rather than running their own infrastructure Ecosystem of alternative apps and providers is still maturing	Nostr has a smaller audience than mainstream networks Little detail about the product is published on the homepage
Web application, Downloadable app	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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