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.