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Threads vs Damus: catalog facts
Threads	Damus
Free Free to use.	Freemium Free to use; the optional Purple membership is paid.
Android, iOS, Web	macOS, Android, iOS
Large mainstream audience Optional fediverse sharing over ActivityPub	No phone number or email needed to sign up Built on the open Nostr protocol
Centrally owned and operated by Meta Fediverse support is optional and partial	You must keep your private key safe yourself Some extras require the paid Purple membership
Downloadable app, Web application, Hosted service	Downloadable app
Closed source	Closed source
License: Proprietary	License not stated
Account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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