Period Tracking, Reimagined
Luna combines powerful cycle tracking with uncompromising privacy. No accounts, no cloud, no data sharing. Just you and your cycle data, completely private.
Our Mission
We believe that menstrual health data is deeply personal and deserves the highest level of protection. In an era where data is constantly collected, sold, and exploited, Luna takes a different approach.
Our mission is to provide a powerful, intuitive period tracking experience while ensuring that your health information never leaves your device. We don't believe in trading your privacy for convenience. With Luna, you get both.
Who Is Luna For?
Privacy-Conscious Users
If you're concerned about data privacy and want to keep your health information secure, Luna is designed for you. Your data never leaves your device.
Busy Professionals
Quick logging, smart predictions, and no account setup means you can start tracking immediately without wasting time on sign-ups.
Health Enthusiasts
Track BBT, cervical mucus, and symptoms to gain deeper insights into your cycle patterns and overall health.
Anyone Who Values Privacy
Whether you're tracking for fertility, health, or just awareness, Luna ensures your personal data stays personal.
How Luna Compares
See how Luna stacks up against other period tracking apps
Why Choose Luna?
True Privacy
Your health data is stored exclusively on your device. No cloud backups, no data sharing, no profiling. Your cycle information is yours alone.
No Account Required
Download and start tracking immediately. No email verification, no password creation, no personal information required. Just you and your data.
Smart Predictions
On-device machine learning analyzes your cycle patterns to predict your period, ovulation, and fertile windows with increasing accuracy over time.
Complete Control
Export your data anytime in a standard format. Your data belongs to you, and we make it easy to take it with you.
No Hidden Costs
All features are available to everyone. No premium tiers, no paywalls, no subscriptions. Privacy shouldn't be a luxury feature.
Works Offline
No internet connection required. Track your cycle anywhere, anytime, without worrying about connectivity or data usage.
Ready to Take Control?
Download Luna today and experience period tracking with true privacy
iOS 15.0+ • Android 8.0+ • Free forever