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Feeel vs SimpleHIIT: catalog facts
Feeel	SimpleHIIT
Free Free and open source under the AGPLv3.	Free Free and open source under the GPL-3.0-or-later licence.
Android, iOS	Android
Open source under the AGPLv3 Designed around privacy	Animated demonstrations for each exercise Eight exercise categories to choose from
Focused on simple home workouts rather than detailed training plans Small community project	Android only Focused on HIIT rather than general workout logging
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-3.0-or-later
Not stated if an account is needed	Not stated if an account is 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 October 2, 2026

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