Lune: Period & Cycle Tracker

Lune is a privacy-first period and cycle tracker designed to make following your menstrual cycle effortless. See your next period, ovulation day, and fertile window in advance — and get to know your body better. REAL PRIVACY — YOUR DATA IS YOURS Unlike most period tracker apps, Lune never uploads your data to a server. All your cycle records are stored only on your device, protected with strong encryption (SQLCipher). No account, no sign-up, no data selling. Core features work fully offline. PERIOD & OVULATION CALENDAR - Estimated date of your next period - Ovulation day and fertile window - Daily chance of conception - Smart predictions based on your personal cycle length - View past and upcoming cycles on the calendar DAILY TRACKING - Flow intensity and period days - Mood and emotions - Symptoms: cramps, headache, bloating and more - Sexual activity, weight, body temperature, water intake and notes - Edit past days and keep a complete cycle history SMART REMINDERS Get gentle notifications for your upcoming period, fertile window, and daily log. You choose which reminders stay on. LUNE AI — SMART ASSISTANT ON YOUR DEVICE Ask questions about your cycle and get instant answers. Lune AI answers questions like "When is my next period?" or "What phase am I in?" from your own data — no internet, fully on-device. CYCLE WISDOM Thoughtfully written articles on menstrual health, hormones, nutrition, and mental well-being. SENSORY SANCTUARY Ambient sounds to help you relax and sleep better, with a built-in sleep timer. ELEGANT, CALM DESIGN A soothing dark "Lavender" theme and adorable companion mascots make tracking a delight. PREMIUM Upgrade to Premium anytime to remove ads and unlock all mascots. TWO LANGUAGES Full support for English and Turkish. Lune brings period tracking, a menstrual calendar, ovulation and fertility tracking, PMS and symptom logging together in one secure place. Whether you want to follow your period regularly, know your fertile window, or simply understand your body better — Lune is with you. Download Lune today and start tracking your cycle with confidence. Note: Lune is not a medical device. The predictions provided are for informational purposes; they are not a substitute for medical advice and must not be used as a method of contraception. Consult a healthcare professional for decisions about your health.