Today
Flow
How I feel
Mood
Predictions are estimates from your own history, not medical advice and not birth control.
PeriodPredictedEst. fertile windowNotes
Tap any past day to mark it as a period day.
Privacy
✅ No account · ✅ No servers · ✅ No analytics or ads. Everything you log stays in this browser on this device.
The PIN hides the app on a shared device. If you forget it, the only way back in is clearing this app's data.
Backup
Hush Cycle · Enchanted Light Festival LLC · More apps