Petal
By Micro App Digital
About this app
Petal is a beautiful, private period and cycle tracker that keeps 100% of your data on your phone — no account, no cloud, no subscription. Track your period, flow, symptoms, mood and fertile window, get clear period and ovulation predictions, and lock the app with a PIN or fingerprint. The full feature set of the big period apps, but genuinely private and genuinely free — your cycle stays yours alone.
Features
Private by Design
- 100% on-device — your cycle data never leaves your phone
- No account, no cloud, no sign-up, ever
- App lock with a PIN or fingerprint, plus a discreet mode
- One-tap delete-all and an encrypted local backup you control
Track Your Whole Cycle
- Log your period and flow — spotting, light, medium, heavy — in a tap
- Symptoms, mood, energy, sleep, cravings, discharge and notes
- Custom symptoms for whatever matters to you
- A beautiful month calendar plus a signature circular cycle ring
Honest Predictions
- Next period, fertile window, ovulation and PMS estimates
- Shows ranges and confidence — honest about irregular cycles
- Learns and adapts the more you log
Insights That Compound
- Average cycle and period length, variability and trends
- Symptom and mood patterns across each cycle phase
- Full cycle history and a doctor-ready PDF health report
Modes for Every Stage
- Tracking mode for everyday cycle awareness
- TTC mode with fertile-window focus, BBT chart and ovulation tests
- A basic pregnancy mode for when you are expecting
Calm, Opt-In Reminders
- Period soon, period late, fertile window and ovulation reminders
- Pill and gentle log reminders, each one independent
- Useful and discreet — never notification spam