Privacy Policy
Updated: April 2025
Welcome to Lingoflow! Protecting your data is very important to us. This privacy policy informs you about what data we collect, how we use it, and what rights you have.
1. Controller
Otterflow – Luca Christ
E-Mail: info@lingoflow.de
2. Data Collected
- User ID (randomly generated, no real names)
- Email address (only if provided voluntarily)
- App usage data (e.g. level, progress, messages)
- Device info (e.g. push notification token)
We do not collect sensitive personal data like phone numbers or payment info.
3. Purposes of Data Processing
- Provide and improve the app
- Manage subscriptions (via RevenueCat)
- User communication (e.g. feedback or reminders)
4. Data Storage
- Firebase for storing app data
- RevenueCat for managing subscriptions
- Local storage on your device (e.g. preferences)
All data is securely transmitted and stored.
5. Third-Party Services
- Firebase
- OpenAI API
- Azure Speech Services
- RevenueCat
- Google AdMob
All services meet GDPR requirements.
6. Tracking and Advertising
- We use Google AdMob only for non-personalized ads.
- No personal data used for advertising purposes.
7. User Rights
- Access your stored data
- Request correction of incorrect data
- Request data deletion (where legally possible)
Contact: info@lingoflow.de
8. Changes to This Policy
We reserve the right to update this policy as needed.
This translation is for informational purposes only. The German version is legally binding.