Compare software

Mensinator vs Flo: catalog facts
Mensinator	Flo
Best for: Tracking periods privately on an Android phone	Best for: People tracking their menstrual cycle, ovulation or pregnancy on a phone
Free Free and open source under the MIT licence.	Free + paid options Free to download, with a paid premium subscription.
Android	Android, iOS
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	Tracks periods, ovulation and pregnancy in one app Symptom logging alongside cycle dates
Android only No tagged releases on the repository	Proprietary service that handles sensitive health data Some features require a paid subscription
Downloadable app	Downloadable app, Hosted service
Open source	Not open source
License: MIT	License not stated
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 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 Flo flo.health play.google.com/store/apps/details apps.apple.com/us/app/flo-cycle-period-tracker/id1038369065 Catalog checked September 23, 2026

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