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Linphone vs Cheogram: catalog facts
Linphone	Cheogram
Free The app and the basic SIP service are free.	Free The app is free to install; telephone routes are separate services.
Windows, macOS, Linux, Android, iOS	Android
Works with any standard SIP account Desktop and mobile builds from one project	Combines XMPP chat with SMS and calls Pluggable telephone routes from several providers
Needs a SIP account or PBX to be useful Website is primarily in French	Phone features need a separate route provider Email and SIP bridges are only demos
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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