Last updated: March 22, 2026
In short: LUNE respects your privacy. Your personal data is stored securely and encrypted. We never sell any data to third parties.
1. Introduction
LUNE sync your cycle is a women's wellness app that helps you eat better based on your cycle. This privacy policy explains how we collect, use, store and protect your personal information.
By using LUNE, you agree to the practices described here. If you disagree, please do not use the app.
2. Data we collect
We collect the following information:
Your account:
- Email address (to create and manage your account)
- Apple ID (if you sign in with Apple)
Your cycle and wellness:
- Cycle length and period duration
- First day of your last period
- How you feel each day: energy, mood, cravings, comfort
- Your food preferences and restrictions (vegan, gluten-free, allergies, etc.)
Technical data:
- How you use the app (pages visited, features used)
- Device type and iOS version
- Anonymous device identifier
Important: LUNE does not access your location, contacts, photos or any other data on your phone. LUNE does not connect to Apple HealthKit or any other app.
3. Why we use your data
Your data is used only for:
- Personalized recommendations: suggesting meals and tips adapted to where you are in your cycle
- Tracking your wellness: calculating and displaying your daily score
- Improving the app: making recommendations more accurate and the experience smoother
- Managing your account: your subscription and settings
4. How recommendations work
LUNE uses a smart system to suggest meals and tips adapted to you. This system:
- Looks at where you are in your cycle and how you feel
- Matches this info with a database of recipes and nutritional guidance
- Gets better over time based on your feedback and preferences
Your data is never shared with third-party services to power these recommendations. Everything runs on our own secure servers.
5. Storage and security
Your data is protected by:
- End-to-end encryption (in transit and at rest)
- Secure servers meeting industry standards
- Restricted access, limited to authorized personnel
- Regular security audits
6. Data sharing
We may share data only in these cases:
- To run the app: our technical providers (hosting, servers) have access to certain data and are contractually required to provide the same level of protection as we do.
- For payments: Apple handles subscription transactions through the App Store. LUNE does not have access to your payment information.
- If required by law: in the context of a legal obligation.
We do not share any personal data for advertising or commercial purposes.
7. Your sensitive data
Information related to your cycle and wellness is considered sensitive data. As such:
- It is never used for advertising or profiling
- It is never shared with third parties
- It is only used to personalize your experience in the app
8. Your rights
Under GDPR and applicable laws, you have the right to:
- Access your personal data
- Correct your information if inaccurate
- Delete your account and all data (Profile → Settings → Delete my account)
- Export your data in a readable format
- Withdraw your consent at any time
- Object to the processing of your data
To exercise these rights: Profile → Settings in the app, or email us at support@lune-app.com
9. Account deletion
You can delete your account and all your data at any time:
- In the app: Profile → Settings → Delete my account
- By email: send a request to support@lune-app.com
All your data will be permanently deleted from our servers within 30 days.
10. Data retention
Your data is kept as long as your account is active. If you delete your account, everything is erased within 30 days. Anonymized data may be kept for statistical purposes.
11. Subscription management
Your LUNE subscription is managed through Apple's App Store:
Canceling your subscription does not delete your account or data. To delete your data, follow the procedure in section 9.
12. Changes
We may update this policy from time to time. Any significant change will be communicated via a notification in the app. The date at the top of this page shows the last update.
13. Contact
Questions about your data or this policy?