Zhiyin ("we", "our", or "the App") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our mobile application.
Information We Collect
Account Information
When you sign in with Apple or Google, we receive your email address and display name (if you choose to share it). This information is used to create and manage your account.
Usage Data
We collect analytics data to improve the App, including: songs played, features used, app performance metrics, and error reports. This data may be associated with your account to help us understand usage patterns.
User-Generated Content
If you submit feedback, problem reports, or contributions, we store this information along with your device type and iOS version to help us address issues.
Learning Data
Your flashcard decks, liked songs, playlists, and learning progress are stored locally on your device and synced to your account so they're remembered when you sign in on a new device.
How We Use Your Information
We use your information to:
Provide and maintain the App's functionality
Process your subscription and payments
Improve and optimise the App experience
Respond to your feedback and support requests
Send important notices about the App
Data Sharing
We share your data with the following categories of service providers:
Authentication providers: Your email and name to verify your identity when signing in
Cloud database providers: Your email and name (from sign-in) to sync your music service choice across devices
Analytics providers: Your app activity to understand how features are used and improve the experience
Payment processors: Apple handles all subscription payments directly and securely (we do not receive your payment details)
Music Streaming Services
The App connects to Apple Music using MusicKit, Apple's official framework. You must have an active Apple Music subscription to use playback features. We do not access your music library or playlists beyond what is necessary to play songs you select. Your Apple Music authorization is handled securely through Apple's APIs.
Data Security
We implement industry-standard security measures to protect your data, including encryption in transit and at rest, secure authentication, and access controls. We work hard to keep your data safe, though no system is completely immune to risk.
Data Retention
We retain your account data for as long as your account is active. If you delete your account, we will delete your personal data within 30 days.
Your Rights
You have the right to:
Access the personal data we hold about you
Request correction of inaccurate data
Request deletion of your data
Export your data in a portable format
Withdraw consent for data processing
Lodge a complaint with a supervisory authority
To exercise these rights, contact us at fiki@zhiyin.dev
Children's Privacy
Zhiyin is a language learning app suitable for all ages. We collect minimal data (email and name) to provide the service. Music content is controlled by your Apple Music account settings, which parents can manage.
International Data Transfers
Your data may be processed in countries other than your own. We ensure appropriate safeguards are in place for international transfers in compliance with applicable data protection laws.
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes through the App. Your continued use of the App after changes constitutes acceptance of the updated policy.
Contact Us
If you have questions about this Privacy Policy or our data practices, contact me at:
For EU residents: You may also contact your local data protection authority.
