Privacy Policy

Last updated: April 9, 2026

Oliver Oklitz ("we", "us", or "our") operates the Walld mobile application (the "App"). This Privacy Policy explains what information is collected, how it is used, and your choices regarding your data.

1. Information We Collect

Walld is designed with privacy in mind. We do not operate any backend servers, and we do not collect or store personal information ourselves. All gameplay data (level progress, tokens, settings) is stored locally on your device.

2. Third-Party Services

The App uses the following third-party services that may collect information as described in their respective privacy policies:

2.1 Google AdMob

We use Google AdMob to display advertisements. AdMob may collect device identifiers, IP addresses, and usage data to serve personalized or non-personalized ads depending on your consent. For more information, see the Google Privacy Policy.

2.2 RevenueCat

We use RevenueCat to manage in-app purchases. RevenueCat processes transaction data through Apple's App Store and may collect anonymous identifiers for purchase validation. For more information, see the RevenueCat Privacy Policy.

2.3 Apple Game Center

Walld integrates with Apple Game Center for leaderboards. Game Center is operated by Apple and subject to Apple's Privacy Policy. We do not receive personal information from Game Center beyond your public player alias and scores.

3. App Tracking Transparency

On iOS 14.5 and later, Walld will request your permission before allowing third-party services to track your activity across other apps and websites. You can change this setting at any time in your device's Settings under Privacy & Security > Tracking.

4. Data Stored on Your Device

The following data is stored locally on your device and is never transmitted to us:

This data can be deleted by uninstalling the App.

5. Children's Privacy

Walld is not directed at children under the age of 13. We do not knowingly collect personal information from children. If you believe a child has provided personal information through the third-party services used by the App, please contact us so we can take appropriate action.

6. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated revision date. We encourage you to review this page periodically.

7. Contact Us

If you have questions about this Privacy Policy, please contact us at:
oliver@oklitz.net