Privacy Policy
Effective date: July 10, 2026
EarTuner helps users practice ear-training exercises and track their progress. This Privacy Policy explains what information we collect, how we use it, and the choices available to you.
1. Information we collect
Account information
When you create an account, we collect your email address so that we can authenticate you and associate your practice history with your account.
Practice and usage information
We collect information about the exercises you complete, including your answers, scores, accuracy, practice history, and statistics derived from that activity.
Technical information
Our hosting and infrastructure providers may automatically collect technical information such as your IP address, browser type, device information, and request logs.
2. How we use your information
- To create and manage your account.
- To save your practice history and progress.
- To calculate scores, accuracy, streaks, and other statistics.
- To operate, maintain, troubleshoot, and improve EarTuner.
- To protect the service against misuse, fraud, and security threats.
3. Authentication
EarTuner uses secure email magic links for authentication. We do not collect or store account passwords.
4. Cookies
We use cookies and similar browser storage where necessary to keep you signed in, maintain your session, and support essential service functionality.
5. Service providers
We may share information with service providers that help us operate EarTuner. These providers may process information only as needed to provide their services.
- Vercel, for application hosting.
- Resend, for authentication emails.
- Our database provider, for storing account and practice data.
Update this section whenever you add analytics, error monitoring, payment processing, or other third-party services.
6. Data retention
We retain your account information and practice data while your account remains active. We may retain limited information for longer where required for legal, security, or operational reasons.
7. Your privacy rights
Depending on where you live, you may have the right to:
- Request access to your personal information.
- Correct inaccurate information.
- Request deletion of your information.
- Request a copy of your information in a portable format.
- Object to or restrict certain uses of your information.
To make a request, contact us at support@eartuner.dev.
8. Account deletion
You may request deletion of your account and associated practice data by contacting us at support@eartuner.dev. We will process deletion requests within a reasonable period, unless we are required to retain certain information by law.
9. Data security
We use reasonable administrative and technical safeguards to protect your information. However, no method of transmission or storage is completely secure, and we cannot guarantee absolute security.
10. Children’s privacy
EarTuner can be used by learners of all ages. If you are under the age at which you can create an online account in your jurisdiction, you should use EarTuner with the permission or supervision of a parent or legal guardian. We do not knowingly collect personal information beyond what is necessary to provide the service.
11. Changes to this policy
We may update this Privacy Policy from time to time. When we make changes, we will update the effective date shown at the top of this page.
12. Contact
For privacy-related questions or requests, contact us at support@eartuner.dev.