CycleNote: Period Log

Track your cycle and symptoms privately — no cloud, no account, ever.

CycleNote is a private period tracker with predictions, kept entirely on your device.

CycleNote is built around one focused idea, with a polished, native interface and zero clutter.

FEATURES

• Simple daily tracking
• Private, on-device only
• Gentle reminders
• Light and dark mode

PRIVACY Everything stays on your device. No accounts, no ads, no tracking.

MEDICAL DISCLAIMER CycleNote is not a medical device and does not provide medical advice, diagnosis, or treatment. Predictions for cycles, fertile windows, and ovulation are statistical estimates based on the calendar method and may be inaccurate. CycleNote should not be used as a method of contraception or to plan or prevent pregnancy. Always consult a qualified doctor or healthcare provider in addition to using this app, and before making any medical decisions.

SOURCES Cycle and fertility estimates are based on publicly available information from the American College of Obstetricians and Gynecologists (ACOG), Mayo Clinic, the U.S. Office on Women's Health, and the UK NHS. In-app citations with links are available in Settings.