Privacy Policy

Main Topics

1. We collect certain information that is necessary for the core functionality of the App.
2. We take reasonable security measures to protect your personal information.
3. You have rights regarding your personal information.
4. This policy explains how we store, use, and share your personal information.

Information We Collect

To provide the altitude measurement features, we need to collect the following data:

• Location Information: We require precise location permissions (via GPS satellite positioning) to measure and display your current altitude and coordinates. This information is essential to the core functionality of the App.
• Device Information: To ensure normal operation and improve performance, we may collect your device model, operating system version, unique device identifiers, and operation logs.

Third-Party Services and Data Sharing

Third-Party SDKs

We may integrate third-party SDKs, including:

• Advertising SDKs: If ads are shown in the App, the SDK may collect anonymized device information for ad delivery.

Data Sharing Principles

We do not share, transfer, or obtain your personal information with or from third parties unless:

• We have your explicit authorization.
• It is required by laws, regulations, or government authorities.
• It is necessary to protect our legitimate rights or those of others.

Your Rights

You have the following rights regarding your personal information:

• Access and Correction: You can access the personal information we hold about you and request corrections to inaccurate data.
• Deletion: You can request that we delete your personal information.
• Withdrawal of Consent: You can revoke permissions, such as location access, at any time through your device settings.

Protection of Minors

We place great importance on protecting the personal information of minors. If you are under 18, please read this policy with a guardian and obtain their consent before using the App. If you are a guardian and have questions about the personal information of the minor under your care, please contact us using the information provided in this policy.

Policy Updates

We may update this Privacy Policy from time to time as the App evolves. When significant changes are made, we will notify you through in-app messages or other appropriate means and indicate the update date. Continued use of the App means you accept the updated policy.

Contact Us

If you have any questions, comments, or suggestions about this Privacy Policy or how we process personal information, please contact us:

• Email: kefu@zaiduan.com
• Response Time: We typically reply within 15 days.