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Fedilab vs occm: catalog facts
Fedilab	occm
Free Free and open source, supported by donations.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Several accounts in one app Covers Mastodon, Pleroma, Friendica, Pixelfed and PeerTube	Supports the occm server's custom individual and group direct messages Based on the established Moshidon client
Android only Needs accounts on fediverse servers	Built for one specific Mastodon server Small project with few contributors
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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