Compare software

aTalk vs Cheogram: catalog facts
aTalk	Cheogram
Free Free and open source under the Apache-2.0 licence.	Free The app is free to install; telephone routes are separate services.
Android	Android
OMEMO encryption including group chats DNSSEC and DANE connection security	Combines XMPP chat with SMS and calls Pluggable telephone routes from several providers
Android only Needs an XMPP account on a server	Phone features need a separate route provider Email and SIP bridges are only demos
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
Account needed	Account needed
Not stated if it works offline	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.