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Commet vs FluffyChat: catalog facts
Commet	FluffyChat
Free Free, funded by donations, with source code on GitHub.	Free Free and open source.
Windows, Linux, Android, Web	Linux, Android, iOS, Web
Several Matrix accounts logged in at the same time Voice channels and one-to-one calls	End-to-end encryption with cross-signing and encrypted key backups UnifiedPush support for notifications without Google services
No macOS or iOS app listed Needs a Matrix account	Audio and video calls are still experimental Requires a Matrix account on some homeserver
Downloadable app, Web application	Downloadable app, Web application
Open source	Open source
License not stated	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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