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Vibecheck: Private Mood Tracker vs Mood Cairns: catalog facts
Vibecheck: Private Mood Tracker	Mood Cairns
Free Free and open source under the MIT licence.	Free Free and open source under GPL-3.0-only.
Android	Android
Data stays on the device One-tap mood logging	Custom scales, tags, and reminder windows Charts for reviewing trends over time
Android only Small project with limited public documentation	Backup syncing is handled by another app
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-only
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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