Privacy Policy

_Last updated: March 23, 2026_

Cross Sum Mini ("we", "our", "us") values your privacy. This policy explains what information may be collected when you use the app and how it is used.

Information We Collect

1. Information You Provide

• Feedback content you send from the app
• Email address (optional) if you include it with feedback

2. Automatically Processed Data

• Local app data required for core features (for example progress and settings stored on your device)
• Request metadata for backend APIs (for example IP/User-Agent) used for abuse prevention and diagnostics

3. Advertising and Purchases

• The app uses third-party services such as Google Mobile Ads and StoreKit / App Store for ads and in-app purchases.
• These providers may process data under their own privacy policies.

How We Use Information

We use information to:

• provide game features and daily puzzle services
• process and respond to support and feedback
• improve app quality and reliability
• protect the service from abuse

Data Sharing

• We do not sell your personal data.
• We share data only with service providers required to run the app (for example hosting, email forwarding, ads, and payment providers).

Data Retention

• Feedback messages are retained only as needed for support and product improvement.
• Gameplay data is mainly stored on your device unless you actively submit information.

Your Choices

You may:

• choose whether to provide an email when sending feedback
• manage ad tracking permissions in iOS settings
• contact us for deletion or privacy-related requests

Contact

For privacy questions or requests:

• Email: feedback@jietu.app
• Support: https://cross-sum.jietu.app/support

Changes to This Policy

We may update this policy from time to time. The latest version will be posted on this page.