Compare software

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

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