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Flashes vs Bluesky: catalog facts
Flashes	Bluesky
Free No paid plan is mentioned on the homepage.	Free Free to use; the flagship app is a hosted service built on the open AT Protocol.
iOS, Web	Android, iOS, Web
Up to 20 photos or one-minute videos per post Posts are fully compatible with Bluesky	Built on an open protocol rather than one closed platform Lets users migrate their identity between providers
Native app is iPhone only Requires a Bluesky or Eurosky account	Most users rely on the official hosted service rather than running their own infrastructure Ecosystem of alternative apps and providers is still maturing
Downloadable app, Web application	Web application, Downloadable app
Closed source	Closed source
License not stated	License not stated
Account 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 October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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