Compare software

Mensinator vs Bluemoon: catalog facts
Mensinator	Bluemoon
Best for: Tracking periods privately on an Android phone	Best for: People who want a private, simple period tracker on Android
Free Free and open source under the MIT licence.	Free Free and open source.
Android	Android
Customisable, colour-coded symptoms Cycle prediction from average period and luteal phase length All 4 strengths for Mensinator Customisable, colour-coded symptoms Cycle prediction from average period and luteal phase length Period and ovulation statistics Does not track user data	Data stays on the device Simple interface All 3 strengths for Bluemoon Data stays on the device Simple interface Available on F-Droid and Google Play
Android only No tagged releases on the repository	Android only Focused on basic tracking rather than detailed health insights
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Mensinator github.com/EmmaTellblom/Mensinator f-droid.org/packages/com.mensinator.app Catalog checked October 2, 2026	Official website Full listing and sources Sources for Bluemoon nilsgrob.ch/work/bluemoon Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.