Updated: June 1, 2026 | Effective: June 1, 2026
Wunder (the “App,” “we,” or “us”) understands the importance of your personal information and works to protect it with care. We follow principles of clear purpose, informed consent, data minimization, security, transparency, and user participation.
Please read and understand this Privacy Policy before using our services. By using or continuing to use the App, you agree that we may collect, use, store, and share information as described here.
| Type | Details | Purpose |
|---|---|---|
| Mobile number | The 11-digit mobile number provided during registration | Account registration, sign-in verification, and identity recognition |
| SMS verification code | The 6-digit code sent to your phone | Verifying that the mobile number is authentic |
| Type | Details | Purpose |
|---|---|---|
| Device information | Device model and operating system version | Service security and compatibility optimization |
| TTS usage records | Listening duration and character consumption | Membership quota management and billing |
| Current text segment for playback | Processed on-device for offline playback; for online playback, only the current text segment needed for playback is processed | Generating spoken audio and providing spoken playback |
We do not collect: