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aTalk vs monocles chat: catalog facts
aTalk	monocles chat
Free Free and open source under the Apache-2.0 licence.	Free The app is free and open source under the GPL.
Android	Android
OMEMO encryption including group chats DNSSEC and DANE connection security	Built on the established Conversations codebase Adds features from blabber.im and Cheogram
Android only Needs an XMPP account on a server	Android only Requires an XMPP account to use
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0-only
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 October 2, 2026

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