I Know My Body: Period Tracker

I Know My Body is a private period tracker that keeps everything on your iPhone. No account, no cloud, no ads and no analytics. LOG IN SECONDS • Tap "Period started today" on the Today screen, or pick a Record preset: Just period, Rough day, Daily check-in or Doctor prep. • Track flow, spotting, pain, clotting, mood, energy, sleep, discharge colour and texture, medication and private notes. • Tap a day on the calendar to log it, or hold to log several days at once. SEE WHAT'S COMING • Your next periods for months ahead, with a date range that narrows as you log. • Optional fertile-window and ovulation estimates for planning, which you can hide in Settings. • Learns your own cycle and period length, and sets aside gaps that look like a missed log. • Cycle Analysis explains every date in plain language. • Optional: use the overnight wrist temperature your Apple Watch records in Apple Health. It is read on your iPhone only, and never written back. PERIMENOPAUSE & MENOPAUSE MODE • Switch in Settings when your periods change or stop. Your period history comes with you. • Rate the symptoms that matter to you, count hot flushes and night sweats, and log any bleeding. • Record HRT and other treatments, mark doses, and compare how you felt before and after a change. • Make a health summary to take to your appointments. PRIVATE BY DESIGN Your records are stored only on this iPhone. Nothing is uploaded, and nothing leaves the device unless you choose to share a report. PREMIUM: PAY ONCE One purchase unlocks: • Reminders for check-ins, your expected period and prep days • Next 7 Days Planner • Symptom Pattern Decoder • Reports & Exports: a doctor summary and a CSV you choose to share No subscription. Logging, the calendar and predictions stay free. PLEASE NOTE I Know My Body is for personal tracking and planning. It is not medical advice, a diagnosis, a fertility test or birth control. Talk to a doctor about anything that worries you.