Privacy Policy
This Privacy Policy describes how the Void Stacker mobile application (the "App") handles information when you use it. By using the App, you agree to the practices described below. If you do not agree, please do not use the App.
1. Information We Collect Directly
The App does not require you to create an account and does not collect personally identifying information such as your name, email address, phone number, or precise location.
Gameplay state (for example, your sound on/off preference and high score) is stored locally on your device using iOS user defaults. It is not transmitted to us.
2. Information Collected by Third-Party SDKs
The App displays advertisements through Google AdMob (provided by Google LLC), including app-open, rewarded, and banner ad formats. To serve and measure ads, AdMob may collect or process information such as:
- Device identifiers (including the Identifier for Advertisers / IDFA, when permitted)
- IP address and approximate (coarse) location derived from it
- Device and OS information, ad interaction events, and crash diagnostics
Google's use of this information is governed by Google's privacy policies. For details on Google AdMob's data practices, see:
3. App Tracking Transparency (ATT)
On first launch, the App may present Apple's standard App Tracking Transparency prompt asking whether to allow tracking across apps and websites owned by other companies. Your response determines whether the Identifier for Advertisers (IDFA) is available to AdMob:
- Allow: AdMob may use the IDFA to personalize ads and measure performance.
- Ask App Not to Track: AdMob will not access the IDFA. Non-personalized ads will still be shown.
You can change this choice at any time in iOS Settings → Privacy & Security → Tracking.
4. SKAdNetwork
The App participates in Apple's SKAdNetwork, a privacy-preserving framework that attributes ad installs without revealing user-level data. SKAdNetwork postbacks do not contain personal information about you.
5. Children's Privacy
The App is a general-audience arcade game and is not directed to children under the age of 13 (or the equivalent minimum age in your jurisdiction). We do not knowingly collect personal information from children. If you believe a child has provided personal information through the App, please contact us and we will take appropriate steps to remove it.
6. Data Retention
Because we do not collect personal information directly, there is nothing for us to retain on our servers. Data collected by AdMob is retained according to Google's policies, linked above.
7. Your Choices
- Limit ad tracking: Use the ATT prompt or iOS Settings → Privacy & Security → Tracking to prevent the App from accessing the IDFA.
- Reset advertising identifier: You can reset the IDFA in iOS Settings → Privacy & Security → Tracking.
- Delete local data: Uninstalling the App removes the App's locally stored preferences and game state from your device.
8. International Users
The App is available worldwide. By using the App, you understand that information processed by our third-party advertising partner may be transferred to, stored, and processed in countries other than your own, in accordance with that partner's privacy policy.
9. Changes to This Policy
We may update this Privacy Policy from time to time. When we do, we will revise the "Last updated" date at the top of this page. Material changes will be reflected in an updated version available at this URL.
10. Contact
If you have any questions about this Privacy Policy or the App's privacy practices, contact us at support@kozuke.dev.