Terms of Service

ToneCoach (the "App")

Last updated: 2026-09-23

By accessing or using the App, you agree to these Terms of Service. If you do not agree, please do not use the App.

1. Use of the App

The App is a pronunciation practice tool for Chinese learners. You may use it for your personal learning. You agree not to misuse the App, attempt to bypass limits, reverse-engineer it, or use it for any unlawful purpose.

2. Accounts

You may use a limited trial as a guest. To unlock more features and sync your progress, you may create an account. You are responsible for keeping your account credentials secure.

3. Free and paid features

The App currently offers a free tier with usage limits. Subscription features may be introduced in the future and will be described clearly before purchase.

4. AI-generated feedback

Pronunciation feedback and the "correct pronunciation in your voice" audio are generated by AI and are intended for practice only. They may not always be perfect.

5. Disclaimer

The App is provided "as is" without warranties. It is a learning aid and is not a substitute for professional language instruction.

6. Limitation of liability

To the maximum extent permitted by law, we are not liable for any indirect or consequential damages arising from your use of the App.

7. Changes

We may update these Terms from time to time. Continued use after changes means you accept the updated Terms.

8. Contact

For questions, contact us at: walterboy2005209@163.com