Eluna: Cycle & Period Tracker

🌙 Eluna — a private cycle tracker and women’s health diary

Eluna helps you track your period, ovulation, fertile days, symptoms, mood, energy, and wellbeing — without registration, without an account, and without cloud storage for your personal records.

We believe your health data should stay under your control. That’s why Eluna works as a local personal diary: your cycle records, symptoms, and notes are stored on your device in encrypted form.

Track your body, plan important days, and better understand changes in your wellbeing with a period calendar, analytics, reminders, and moon phases.

🔬 SMART CYCLE ANALYTICS

• Period prediction based on your history
• Estimated ovulation and fertile window prediction
• Cycle phase tracking: menstrual, follicular, ovulatory, and luteal phases
• TTC mode for pregnancy planning
• Cycle history and regularity analysis
• Personal predictions that may become more accurate as you keep using the diary

📊 SYMPTOM AND WELLBEING DIARY

Track what matters to you:

• mood and energy level
• pain, cramps, and PMS
• sleep and fatigue
• discharge
• libido
• medications and vitamins
• custom symptom categories
• daily text notes

Eluna helps you notice recurring patterns and better understand how your wellbeing changes throughout your cycle.

🌑 MOON CALENDAR AND AESTHETIC DESIGN

• Moon phases in the calendar
• Cycle tracking combined with the lunar calendar
• Beautiful and calm interface
• Dark and light themes
• Soft cosmic visual atmosphere

Eluna is more than a period calendar — it is a beautiful space for daily self-observation.

🧠 KNOWLEDGE BASE

• Articles about the menstrual cycle, hormones, PMS, ovulation, and women’s health
• Explanations of wellbeing changes during different cycle phases
• Helpful self-care materials
• Knowledge available directly inside the app

The information in the app is educational and does not replace medical advice.

🔒 PRIVACY BY DEFAULT

• No registration or account required
• No cloud storage for personal records
• Cycle data is stored on your device
• Local encryption for your records
• Personal cycle and symptom records are not used for advertising
• App lock with PIN or biometrics, if supported by your device

Your personal records about your cycle, symptoms, mood, and notes stay under your control.

📋 REPORTS FOR YOURSELF AND YOUR DOCTOR

• Cycle history
• Symptoms and notes by day
• Clear analytics
• PDF report to help prepare for a gynecologist visit
• Option to protect the report with a password

Eluna helps you keep important information in one place and use it when needed.

✨ MORE IN ELUNA

• Flexible reminders for periods, ovulation, symptoms, and medications
• 50+ interface languages
• Convenient calendar
• Quick daily logging
• Core features available offline
• Free to use
• Option to remove ads

The free version may show one ad banner. Ads can be removed.

Eluna is a private women’s health diary that helps you better understand your cycle, track symptoms, and take gentle care of yourself.

Your cycle. Your records. Your device.