Compare software

Converse vs Siskin IM: catalog facts
Converse	Siskin IM
Free Free and open source under the MPL-2.0 licence.	Free Free; source code is published on GitHub.
Web, Self-hosted	iOS
Works with any standard XMPP server OMEMO end-to-end encryption	OMEMO end-to-end encryption Audio and video calls over XMPP
Needs an XMPP account or server to be useful Some features such as URL previews depend on server support	iPhone and iPad only Needs an XMPP account on a server
Downloadable app, Web application, Self-hosted	Downloadable app
Open source	Open source
License: MPL-2.0	License not stated
Not stated if an account is 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 1, 2026

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