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Phanpy vs Tuba: catalog facts
Phanpy	Tuba
Free Used in the browser with an existing Mastodon account; no paid plan is shown.	Free Free and open source under GPL-3.0; donations are optional.
Web	Windows, Linux, Android
Nothing to install, runs in any browser Minimal interface as an alternative to the default Mastodon web app	Broad feature set including scheduled posts, polls and admin tools Adaptive layout for mobile Linux and desktops
Needs an account on a separate Mastodon server Opinionated design will not suit every reading style	Needs an account on a fediverse server GTK interface feels most at home on GNOME
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Account 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.