BreathBooster Privacy Policy

Last updated: July 10, 2025

1. Who We Are

BreathBooster is operated by:

Johnny Zhang
Hauptstraße 20
74189 Weinsberg, Germany
Email: hi@breav.app

2. What Data We Collect

We may collect the following types of personal data:

  • Account Information: Email address, username, password (hashed)
  • Usage Data: App interactions, selected goals, session durations, features used
  • Device Data: IP address, device model, OS version, app version, time zone
  • Location Data: General location (city/country) via IP (we do not collect precise GPS)
  • Transaction Data: Subscription status and purchase history (processed by Apple, RevenueCat or Google)

3. How We Use Your Data

We use your personal data to:

  • Provide, operate, and improve the BreathBooster app
  • Personalize content and recommendations based on your goals
  • Manage subscriptions and purchases via app stores
  • Send necessary service messages (e.g., subscription updates, system alerts)
  • Detect, prevent, and address technical or security issues
  • Comply with legal obligations

4. Legal Basis for Processing (EU/UK Users)

If you are located in the EU, EEA, Switzerland, or the UK, we process your data under:

  • Consent: For optional features like marketing emails
  • Contract: To provide you with the Services
  • Legal obligation: To comply with applicable laws
  • Legitimate interests: To improve the app and prevent misuse

5. Sharing of Personal Data

We do not sell your data. We may share your data with:

  • Service Providers: For cloud storage, analytics, app performance (e.g., Google Firebase, RevenueCat)
  • App Stores: Apple and Google handle your purchases
  • Authorities: Where required by law or legal process

6. International Transfers

Your data may be transferred and stored outside your country (e.g., in the U.S. or EU). We ensure such transfers are made under appropriate safeguards such as Standard Contractual Clauses (SCCs).

7. Data Retention

We retain your personal data as long as necessary to fulfill the purposes outlined in this Policy, unless a longer retention period is required by law. You can request deletion of your account at any time.

8. Your Rights

If you are located in the EU, UK, or certain U.S. states (e.g., California), you have the right to:

  • Access the personal data we hold about you
  • Request correction or deletion of your data
  • Object to or restrict processing
  • Withdraw consent where applicable
  • File a complaint with your local data protection authority

To exercise these rights, email us at hi@breav.app.

9. Data Security

We implement appropriate technical and organizational safeguards to protect your data, including encryption, secure server storage, and role-based access. However, no system can guarantee 100% security.

10. Children's Privacy

BreathBooster is not intended for users under 16 years of age. We do not knowingly collect data from minors. If we learn that personal data was collected from a child, we will delete it immediately.

11. Cookies and Analytics

Our website may use cookies and analytics services (e.g., Google Analytics) to understand usage patterns and improve performance. You can control cookies through your browser settings.

12. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with a new effective date. If we make material changes, we will notify you via the app or email.

13. Contact

If you have any questions about this Privacy Policy or our data practices, contact us at:

Email: hi@breav.app