My Rhythms: Period & Cycle

My Rhythms is a period-tracking calendar and daily symptom diary built for privacy: no required account, no cloud sync, no social feed. EVERYTHING STAYS ON YOUR DEVICE Cycle and symptom data lives in a local database on your phone. Nothing leaves the device unless you export a backup yourself — one tap to a JSON file, whenever you choose. PHASE AND UPCOMING EVENTS, PREDICTED Mark when your period starts and ends — the app tracks your current cycle day, phase (menstrual/follicular/fertile/luteal), and predicts your next period and fertile window, even if you sometimes miss a day. DAILY DIARY Log discharge, mood, temperature, and a free-text note for the day, tagging built-in or custom symptoms. Days with a diary entry show a small dot on the month calendar. MONTH CALENDAR A clear month grid: period days shaded in a soft accent color, today highlighted, diary entries marked with an…