Privacy Policy

1. Information We Collect

Stack Master is a casual game that does not require you to create an account and does not collect your name, email, phone number, or other personal identity information.

To provide ad services, the App integrates the Google AdMob SDK. When you use the App, AdMob may collect the following information:

• Device Identifiers: Such as the Identifier for Advertisers (IDFA), used to serve ads
• Device Information: Device model, operating system version, screen size, etc.
• Network Information: IP address, carrier information, etc.
• Usage Data: Ad impression counts, click counts, etc.

This information is collected and managed by Google AdMob. For details on how AdMob handles data, please refer to the Google Privacy & Terms.

2. How We Use Information

The information described above is used solely for the following purposes:

• Displaying ad content (rewarded video ads)
• Measuring ad effectiveness and preventing fraud
• Improving ad-related features and user experience

3. App Tracking Transparency (ATT)

This App complies with Apple's App Tracking Transparency framework. On first launch, the App will request your tracking permission. You can:

• Allow Tracking: You will see ads that are more relevant to your interests
• Deny Tracking: You will still see ads, but they may be less relevant. This does not affect normal gameplay

You can change this choice at any time in Settings → Privacy & Security → Tracking.

4. Third-Party Services

The App uses the following third-party service with its own privacy policy:

• Google AdMob (Ad service): AdMob Privacy Policy

5. Children's Privacy

The App's age rating is 4+. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us and we will promptly delete it.

6. Data Retention

The App does not store any of your data on our servers. Your game scores and settings are stored only on your local device. If you delete the App, all such data will be removed.

7. Your Rights

Under applicable privacy laws, you have the following rights:

• Disable personalized ads: Via Settings → Privacy & Security → Tracking
• Reset advertising identifier: Via Settings → Privacy & Security → Apple Advertising → Reset Advertising Identifier
• Limit ad tracking: Enable "Limit Ad Tracking" in the settings above
• Delete the App: Delete the App at any time; all local data will be removed

8. Privacy Policy Updates

We may update this Privacy Policy from time to time. Updated policies will be posted on this page with a revised "Last updated" date. We recommend checking this page periodically for any changes.

9. Data Security

We take reasonable measures to protect any information transmitted through the App. However, no method of transmission over the internet or electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your information, we cannot guarantee absolute security.