Privacy Policy
1. Introduction We highly value your privacy and the security of your personal information. This Privacy Policy explains how we collect, use, store, and protect your information. Core Privacy Commitments: We only collect anonymous usage statistics. We do not collect personal identity information such as your name or email address. Statistical data is used solely to improve the user experience. 2. Information We Collect 2.1 App Usage Statistics To improve app performance and user experience, we collect the following anonymous information through third-party analytics services: Device information (device model, OS version, device identifiers such as IDFA) Network information (network type) App usage data (launch counts, usage duration, feature usage frequency, etc.) This information does not include personal identity information such as your name, email address, or phone number. 2.2 Information We Do Not Collect We do not collect the following information: Your name, email address, or phone number Contacts or address book data 2.3 Data Stored Locally The following data is stored only on your device and is never uploaded: App settings: Your playback preferences (repeat count, repeat mode, etc.) Learning statistics: Watch time, playback history, and other usage data 3. How We Use the Information 3.1 Use of Local Data Data stored on your device is used to: Save your app settings and preferences Display your learning progress and statistics 3.2 Use of Statistical Data Anonymous statistics are used to: Analyze app performance and stability Understand user behavior and improve feature design Enhance the app experience Fix bugs and issues 4. Data Storage and Security 4.1 Local Storage All of your data is stored in the app’s sandbox, protected by iOS system security. Other apps cannot access this data. 4.2 Data Encryption If your device encryption is enabled, all data in app is automatically protected by iOS-level encryption. 4.3 Data Backup If you use iCloud or iTunes backup, your app data may be included in backups. These backups are managed by Apple and are subject to Apple’s Privacy Policy. 5. Third-Party Services 5.1 Umeng Mobile Analytics SDK SDK Name: Umeng Mobile Analytics SDK Purpose: App data analytics Operator: Umeng Tongxin (Beijing) Technology Co., Ltd. Types of information collected: Device information (Android ID/IDFA/OAID/OpenUDID/GUID; optionally IMEI/IMSI/ICCID) Network information Location information (optional) Application list (optional) Privacy Policy: https://www.umeng.com/page/policy 6. Network Permissions The app requires network access only for: Sending anonymous usage statistics to Umeng analytics servers 7. Children’s Privacy The App is not designed for children under 13 years old. We do not knowingly collect any information from children under 13. Because the App operates entirely locally, we effectively collect no user information at all. 8. Data Deletion Clearing all app settings through the settings page Uninstalling the App, which removes all app data 10. Changes to This Privacy Policy We may update this Privacy Policy from time to time. If significant changes are made, we will notify you within the App. Continued use of the App indicates acceptance of the updated policy. 9. Your Rights You have full control over your data: You can view all your data within the App at any time You can modify app settings at any time You can delete any or all local data at any time Your video and subtitle content will never leave your device Regarding data collected by the Umeng SDK: You may restrict ad tracking in iOS (Settings > Privacy > Tracking) You may consult Umeng’s Privacy Policy for more information on data collection and usage Privacy Commitment We are committed to protecting your privacy. Your videos, learning progress, and settings belong entirely to you and should remain under your full control. We collect only anonymous usage statistics to improve the experience, and we promise never to upload your video content or personal identity information.
