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1. Overview
Immerse ("we", "us", or "our") respects and protects your privacy. This Privacy Policy explains how we
collect, use, store, and protect your personal information. By using our services, you agree to this
policy.
2. Information Collection
2.1 Information We Collect
- Account Information: When you log in, we collect your email address and basic
profile information (such as username, avatar).
- Learning Data: Your learning statistics (such as vocabulary count, study time,
mastered words list).
- Preferences: Your app settings (theme, difficulty level, enabled dictionaries,
etc.).
- Wordbook: Vocabulary you add to your wordbook and related context.
2.2 Information We Do NOT Collect
- URLs of websites you visit or browsing history
- Specific content of web pages
- Your passwords (handled only by third-party authentication services)
3. Use of Information
We use collected information to:
- Provide and improve our services
- Sync your learning progress and settings across devices
- Generate personalized learning recommendations
- Analyze service usage to improve our product
- Process subscription payments
4. Third-Party Services
We use the following third-party services:
- Supabase: For user authentication and cloud data storage
- AI Service Providers (OpenAI, DeepSeek, Gemini, etc.): When you use AI features,
your input text may be sent to these services for processing
- Payment Processors: For handling subscription payments
Important: When you use the Bring Your Own Key (BYOK) feature, your API keys are stored
only in your local browser. We do not collect or store these keys.
5. Data Storage & Security
- Your settings and API keys are stored in your browser's local storage
- Cloud-synced data is stored on secure Supabase servers
- All data transmission uses HTTPS encryption
- We employ industry-standard security measures to protect your data
6. Your Rights
You have the right to:
- Access: View data we hold about you
- Export: Export your learning data and wordbook
- Delete: Request deletion of your account and all related data
- Withdraw Consent: Stop using our services at any time
To exercise these rights, use the settings page or contact us.
7. Cookies & Local Storage
We use browser local storage (chrome.storage) to save:
- App settings and preferences
- Learning progress statistics
- Cached dictionary data
This data is stored on your device to provide a better user experience. See our Cookie Policy for more details.
8. Policy Changes
We may update this Privacy Policy from time to time. For significant changes, we will notify you through
in-app notifications. Continued use of the service indicates acceptance of the updated policy.
9. Contact Us
For any privacy-related questions, please contact us via: