Luna — Period & Cycle Tracker
Privacy-first period tracker with local encryption, cycle insights & PIN lock.
About Luna — Period & Cycle Tracker
Luna is a privacy-focused, offline-first period and menstrual cycle tracker designed to give you complete ownership over your intimate health data.
All your information is encrypted and stored strictly on your device — no external cloud servers, no account registration, and zero data tracking or sharing.
Key Features:
• 100% Private & Encrypted: On-device database encryption powered by SQLCipher keeps your period history, notes, and symptoms secure.
• Cycle & Ovulation Predictions: Accurately predict upcoming period start dates, fertile windows, and ovulation phases based on your personal cycle history.
• Symptom & Mood Journaling: Log daily flow intensity, physical symptoms, mood variations, energy levels, and custom notes.
• Interactive Calendar: Clear visual timeline showing past logs, current phase, and future predictions at a glance.
• Cycle Insights & Statistics: Track average cycle length, period duration, and phase trends with clean, readable charts.
• PIN Lock Security: Protect your application with a personal security passcode and biometric screen lock.
• Home Screen Widget: Glanceable widget support for quick access to cycle status and period countdowns.
• Custom Reminders: Set subtle, private notification alerts for upcoming periods and fertile window estimates.
Understand your body better with a beautifully designed, completely private period tracking companion.
Luna — Period & Cycle Tracker details
Luna — Period & Cycle Tracker is a free Health & Fitness app for Android with 100+ installs on Google Play and a 5.0/5 average rating from 5 ratings. It was released on August 28, 2026 and last updated on August 28, 2026. It requires Android 8.0 or later. The app contains ads.
- Category
- Health & Fitness
- Rating
- 5.0 / 5 (5 ratings)
- Installs
- 100+
- Price
- Free
- In-app purchases
- No
- Ads
- Contains ads
- Current version
- 1.0.8
- Requires Android
- 8.0
- Content rating
- Rated for 3+
- Released
- August 28, 2026
- Last updated
- August 28, 2026
What’s new in Luna — Period & Cycle Tracker
🌟 What's New in Version 1.0.8 🔒 Enhanced Security & Data Protection Upgraded local database encryption and PIN lock verification for total privacy. 📅 Refined Calendar & Cycle Predictions Improved cycle prediction algorithms for irregular cycles and fertility window tracking. 📊 Insights & Daily Logging Expanded symptom and mood logging categories with detailed phase breakdowns. ⚡ Performance & Stability Optimized startup times, reduced APK size, and fixed activity result lifecycle handling.
Version 1.0.8 · Updated August 28, 2026
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