Compare software

moreDays vs Perfice: catalog facts
moreDays	Perfice
Free Free with no ads, under the GPL-3.0.	Free Free and open source under the MIT licence.
Android	Android
Combines goals, journaling and mood tracking Tracks weight, sleep and custom numbers	Track any custom value, not just preset categories Shows correlations between tracked items
Android only Small developer with limited documentation	Correlations need consistent logging over time to be useful Little documentation on the homepage
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: MIT
No account 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.