Compare software

Mooneva Cycle vs Flo: catalog facts
Mooneva Cycle	Flo
Best for: Tracking periods and fertility without sharing data with a cloud service	Best for: People tracking their menstrual cycle, ovulation or pregnancy on a phone
Free Free and open source under the GPL-3.0, with no ads.	Free + paid options Free to download, with a paid premium subscription.
Android	Android, iOS
No internet permission, so cycle data stays on the device On-device encryption with PIN lock and discreet mode All 3 strengths for Mooneva Cycle No internet permission, so cycle data stays on the device On-device encryption with PIN lock and discreet mode Symptom and mood logging alongside cycle predictions	Tracks periods, ovulation and pregnancy in one app Symptom logging alongside cycle dates
No cloud sync between devices Small project with no GitHub releases; installed through F-Droid	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: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for Mooneva Cycle mooneva.se github.com/aradar46/Mooneva-Cycle-Private-Period-Tracker f-droid.org/packages/com.mooneva.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.