Compare software

occm vs Moshidon: catalog facts
occm	Moshidon
Free Free and open source under the GPL-3.0 licence.	Free Free and open source.
Android	Android
Supports the occm server's custom individual and group direct messages Based on the established Moshidon client	Builds on the official Mastodon Android app More customization than the official client
Built for one specific Mastodon server Small project with few contributors	Android only A rewrite is in progress, so behaviour may change
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	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 October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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