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Bulgify App Privacy Policy

Last updated: June 2026

This policy covers the Bulgify mobile app. For the website and waitlist, see our website privacy policy.

1. Information we collect

We collect information you provide directly to us, such as your email address when you create an account. We also collect usage data — which lessons you complete, your streak count, XP progress, and vocabulary SRS levels — to power your learning experience and sync it across devices.

2. How we use your information

We use your information to:

  • Provide and improve the Bulgify learning experience
  • Sync your progress across devices when you are signed in
  • Send you updates about your progress and new features
  • Respond to your questions and support requests
  • Understand how people learn Bulgarian so we can teach it better

3. AI Tutor conversations

When you use the AI Tutor feature, your messages are sent to Google's Gemini API via a secure server-side proxy. Conversation content is used solely to generate tutor responses and is not stored permanently or used to train AI models.

4. Push notifications

If you enable daily reminders, we use your device's notification system to send you streak reminders. You can disable these at any time in the app or in your device settings.

5. Third-party services

We use the following third-party services to operate Bulgify:

  • Supabase — authentication, database, and backend functions
  • PostHog — usage analytics (lesson completions, session data)
  • Sentry — crash reporting (device info, stack traces)
  • Google Gemini — AI tutor responses (via our server proxy)

6. Data sharing

We do not sell your personal information. We share data only with the service providers listed above, and only to the extent necessary to operate Bulgify.

7. Data retention and account deletion

We keep your data for as long as your account is active or as needed to provide our services. You can delete your account at any time directly in the app (Settings → Delete Account) or by emailing us. Deleting your account permanently removes your profile, learning progress, and AI tutor conversation history from our servers, along with all data stored on your device. This cannot be undone.

8. Security

We take reasonable measures to protect your information. Data is transmitted over encrypted connections. However, no internet transmission is completely secure.

9. Children's privacy

Bulgify is not directed at children under 13. We do not knowingly collect personal information from children under 13.

10. Changes to this policy

We may update this policy from time to time. We'll notify you of significant changes by email or through the app.

11. Contact us

Questions about your privacy? Email us at hello@bulgify.com — we'll respond within 48 hours. If you can't access the app, you can also request deletion of your account and data by emailing us.

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Учи български всеки ден. The warm, modern way to learn Bulgarian — alphabet, vocabulary, and an AI tutor in your pocket.

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