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Tusky vs Elk: catalog facts
Tusky	Elk
Free Free and open source under the GPL-3.0 licence.	Free Free to use and open source.
Android	Web
Supports media, lists and custom emoji Dark, light and black themes	Nothing to install, runs in any modern browser Works with an account on an existing Mastodon server
Android only Needs an account on a Mastodon or compatible server	Mastodon focused rather than covering every fediverse platform Requires a Mastodon account
Downloadable app	Web application
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	Needs internet
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.