Privacy Policy

1. Our Privacy Commitment

Luna is built on a fundamental principle: your health data belongs to you, and only you. We don't collect, store, or share your personal health information on any servers. All data remains on your device, always.

2. Data Storage

All data you enter into Luna is stored locally on your device using a SQLite database. This database is located within your app's private sandbox and is not accessible to other apps or services.

• Location: Your device only (local SQLite database)
• Cloud Storage: None
• Server Access: None
• Backup: Optional manual export to your device's Documents folder

3. Data We Do NOT Collect

Luna does NOT collect:

• Personal identification information (name, email, phone number)
• Location data
• Device identifiers or advertising IDs
• Usage analytics or app performance data
• Any data transmitted to external servers

4. Data Sharing

We do not share, sell, rent, or trade your data with third parties. Since your data never leaves your device, there is no possibility of unauthorized data sharing.

5. On-Device Machine Learning

Luna's cycle predictions are generated using on-device machine learning. The prediction algorithm runs locally on your phone using your historical cycle data. No prediction data is sent to external servers.

6. Contact Us

If you have questions about this privacy policy or Luna's data practices, please contact us at: privacy@luna-app.com