Support
1. Contact
Questions about Tingyin? Contact us at kubo5922@gmail.com.
2. Common Questions
What does Tingyin train?
Tingyin is a Mandarin tone-listening trainer. You hear a clip and choose the tone it uses, across four levels. All levels are free.
What does the one-time unlock buy?
It syncs your progress across devices. You buy it once, and nothing renews.
How is my progress stored without an account?
Without an account, your progress is stored in the browser on the device you use.
How do I delete my account and its data?
You can delete your account and its data from your profile settings at /profile/edit.
3. Refunds
Refunds are handled by request to the email address above.
4. Legal
Read our Privacy Policy and Terms of Service.