Privacy Agreement

Artuner Privacy Policy

Last Updated: September 5th, 2026

Welcome to Artuner (hereinafter referred to as “this application” or “us”). We deeply understand the importance of privacy to you and promise to protect your personal information. This privacy agreement aims to explain to you how we collect, use, store, and share your information, as well as the rights you enjoy.

Please read this privacy agreement carefully. When you download, install or use this application, you agree to all the contents of this privacy agreement.

  1. The information we collect
    1.1 Information voluntarily provided by you
    When you contact our customer service through email or in app feedback channels, we may collect your name, email address, and other contact information you provide.

When you subscribe to the Professional Edition service, the Apple App Store processes your payment information and we do not directly collect or store your bank card number, payment password, or other financial information.

1.2 Automatically collected information
When you use this application, we may automatically collect the following information:

Device information: device model, operating system version, device unique identifier (such as IDFA, only with your authorization).

Usage data: Your preferences for using this application’s features, tuning history (including instrument type, tuning method, tuning result deviation, and time consumption), metronome usage records, etc.

Diagnostic data: crash logs, performance data, to help us troubleshoot issues and optimize applications.

1.3 Information collected through device permissions
This application may require the following permissions to access your device:

Microphone: Used to receive external sound and perform pitch detection, which is necessary for the core tuning function of this application. We will not record, store, or upload your audio content.

Network: Used for subscription status verification, privacy protocol and service protocol updates, etc.

Notification (optional): Used to send practice reminders or important notifications.

You can enable or disable these permissions at any time in the system settings of the device.

1.4 Information We Will Not Collect
This app will not collect your real name, ID number number, exact geographical location, address book, photo album and other personal sensitive information unrelated to the tuning function.

  1. How we use your information
    The information we collect will be used for the following purposes:

Provide and maintain the core functionality of this application: high-precision pitch detection and tuning through microphone access.

Optimize and improve services: Analyze usage data, understand user preferences, optimize tuning algorithms and user interfaces.

Customer Support: Respond to your inquiries, address your issues, and provide feedback.

Subscription management: Verify the status of your professional version subscription and manage automatic renewal.

Security assurance: detecting and preventing fraud, abuse, and other illegal activities.

  1. Storage and protection of information
    3.1 Storage location
    Your tuning history and usage data are only stored locally on your device. We will not upload your personal data to cloud servers unless you proactively send us a message through customer service channels.

3.2 Data Security
We adopt industry standard security measures such as data encryption transmission, access control, etc. to protect your information from unauthorized access, leakage, tampering, or destruction. But please understand that the Internet environment is not absolutely secure, and we cannot guarantee the absolute security of information.

  1. Information sharing and disclosure
    4.1 Do not share with third parties
    We will not sell, rent or share your personal information with any third party, except in the following circumstances:

With your explicit consent: with your separate authorization.

Legal requirements: According to mandatory requirements of laws, regulations, judicial procedures, or government regulatory agencies.

Rights protection: necessary to safeguard the legitimate rights, property or safety of this application, our users or the public.

4.2 Third party SDK
This application may integrate third-party SDKs (software development kits), such as services for crash analysis or subscription state verification. These third-party SDKs may collect necessary device information, but their collection and use are subject to their respective privacy policies. We suggest that you consult the relevant third-party privacy policies for more details.

  1. Your rights
    According to applicable privacy protection laws such as the General Data Protection Regulation (GDPR), the California Consumer Privacy Act (CCPA), etc., you have the following rights:

Access: You can view the tuning history stored locally on your device by this application at any time.

Correction right: If you find any errors in the information, you can make corrections through device settings or in app functions.

Delete Right: You can delete all locally stored information by uninstalling this app or clearing app data.

Withdrawal of consent right: You can revoke your consent at any time by turning off microphone, notification, and other permissions in the device’s system settings.

Refuse tracking rights: You can disable authorization for advertising identifiers such as IDFA in the privacy settings of your device.

If you need to exercise the above rights or have any privacy related questions, please contact us through the contact information provided in Article 9.

  1. Children’s Privacy
    This application is not intended for children under the age of 13. We do not intentionally collect personal information from children under the age of 13. If you find that we have unintentionally collected such information, please contact us promptly and we will delete it immediately.
  2. Update of Privacy Agreement
    We may update this privacy agreement from time to time. The updated version will be published on this page and the ‘Last Updated Date’ will be updated. If there are significant changes involved (such as substantial changes in the scope of data collection or the purpose of use), we will notify you in a significant manner within the application. By continuing to use this application, you accept the updated privacy agreement.
  3. Cross border data transmission
    The servers and data processing of this application are mainly located in [your country/region]. If your data needs to be transferred across borders, we will ensure that the transfer complies with applicable laws and take appropriate data protection measures.
  4. Contact Us
    If you have any questions, comments or complaints about this privacy agreement or our privacy practices, please contact us through the following methods:

E-mail lihao@zmvr.cn
Official website: http://www.zmvr.cn