The period tracker that doesn't share your data — because it never has it.
No account, no cloud, no servers — your cycle calendar, symptoms and predictions live only on your phone. Fast to log, beautiful to use.
Private by design
✓ No account, no sign-up — your data never leaves your device
✓ Nothing is collected, shared or sold. Not even we can see it
✓ Biometric app lock (fingerprint or face)
✓ Encrypted backups you control
Predictions that learn from you
✓ Period predictions built from your real cycle history
✓ Ovulation day and fertile window forecasts
✓ Luteal phase learned from your confirmed ovulations
✓ Reminders before your period and on fertile days
Track what matters
✓ Moods, symptoms, flow, weight, basal body temperature (BBT), water and notes
✓ Contraception reminders: pill, ring, patch, injection, implant and IUD
✓ Menstrual cup and tampon change reminders in your chosen time window
✓ Add custom options and pin two favourites right on the calendar
NEW: Graphs & insights
✓ Cycle length history at a glance
✓ Flow, weight and temperature together on one chart
✓ Symptom bloom charts — your month, drawn as flowers
✓ A notes journal that reads like a diary
Simple, elegant, yours
✓ Every feature at most two taps away — no clutter, no gamification
✓ Light and dark mode, earthy themes, fully custom colors
✓ Cycle education: understand your menstrual, follicular, ovulation and luteal phases
✓ In 9 languages: English, German, Spanish, Hindi, Croatian, Italian, Macedonian, Russian and Slovenian
Free to track
Core period tracking is free. Premium extras (graphs, symptom logging, themes, app lock) unlock day-by-day with a short ad — or go Pro with a subscription or a one-time lifetime purchase.
Whether you're tracking your menstrual cycle, trying to conceive, avoiding pregnancy, or approaching menopause — Flow Glow keeps track, and keeps it private.