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FeelS vs FeelsApp: catalog facts
FeelS	FeelsApp
Free Free and open source under GPL-3.0-or-later.	Free Free and open source under Apache-2.0.
Android	Android
Encrypted on-device check-in storage Includes a feelings wheel and history heatmap	Stores diary notes in an encrypted database Links entries to emotions and ratings
Android only Not intended for diagnosis or crisis support	The README lists import and export as future work
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: Apache-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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