Privacy Policy
Last updated: March 26, 2026
FlashLango (“we”, “our”, or “us”) values your privacy. This Privacy Policy explains how we collect, use, and protect your information when you use our application.
1. Information We Collect
Account Information
- Email address (used for authentication and account identification)
Learning and Usage Data
- Progress within decks and topics
- Words marked as remembered or forgotten
- Study activity and app interactions
Analytics and Diagnostics Data
We use third-party services to understand app performance and improve user experience. This may include:
- Device information (e.g., device type, OS version)
- App usage statistics
- Crash logs and performance data
User-Provided Content
- Users may upload images as part of the learning experience
- These images are processed temporarily and are not stored on our servers
2. How We Use Your Data
- Create and manage user accounts
- Save and sync learning progress
- Deliver personalized learning experiences (e.g., spaced repetition)
- Improve app functionality, stability, and performance
- Monitor and fix errors
We do not sell your personal data.
3. Data Storage and Security
- Data is securely stored using trusted cloud infrastructure (e.g., Google Firebase/Firestore)
- We implement reasonable security measures to protect your information
- Learning progress is stored to ensure continuity across sessions
4. Data Sharing
We do not share your personal data with third parties except:
- With service providers necessary to operate the app (e.g., Firebase for authentication, analytics, and hosting)
- When required by law or legal processes
5. Third-Party Services
- Firebase Authentication (account management)
- Cloud Firestore (data storage)
- Firebase Analytics (usage insights)
- Firebase Crashlytics (crash reporting and diagnostics)
These services may collect and process data according to Google’s Privacy Policy.
6. Your Rights
- Access your personal data
- Request correction of inaccurate data
- Request deletion of your account and associated data
To make a request, contact us at: [email protected]
7. Data Retention
- We retain your data while your account is active
- If you delete your account, your data will be deleted within a reasonable timeframe, except where retention is required by law
8. Children’s Privacy
FlashLango is not intended for children under 13. We do not knowingly collect personal data from children.
9. Changes to This Policy
We may update this Privacy Policy periodically. Changes will be reflected by updating the “Last updated” date.
10. Contact
If you have any questions or requests regarding this Privacy Policy, contact us at: [email protected]