My Best Days

My Best Days is a calm, beautiful period and fertility tracker that helps you understand your cycle and find your best days. Log your period in a tap, see your history on a clear calendar, and get predictions for your next period that learn from your recent cycles. When you're trying to conceive, My Best Days estimates your fertile window and ovulation so you know your best days. Your data stays private. My Best Days is offline-first — your cycle information is stored on your device and predictions are computed on-device. Optional sign-in lets you back up and sync across your devices. We never sell your data and never use your health data for advertising. WHAT'S INSIDE • Period logging and a clear, colourful calendar • Next-period predictions that learn from your cycles • Fertile window and ovulation estimates — find your best days • Symptoms, mood, and daily notes • Basal body temperature (BBT) and cervical mucus charting • Pregnancy mode with a week-by-week view • Cycle statistics and insights • Period and fertility reminders • Data export • Optional account backup & sync across your devices Important: My Best Days is for informational and educational purposes only. It is not a contraceptive and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.