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Ivory vs Tuba: catalog facts
Ivory	Tuba
Paid Paid app with a free 7-day trial.	Free Free and open source under GPL-3.0; donations are optional.
macOS, iOS	Windows, Linux, Android
Timeline position syncs across devices Native design for iPhone, iPad and Mac	Broad feature set including scheduled posts, polls and admin tools Adaptive layout for mobile Linux and desktops
Apple platforms only Paid after the trial	Needs an account on a fediverse server GTK interface feels most at home on GNOME
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Account needed	Account needed
Needs internet	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.