Last updated: April 23, 2026
StackStack ("we", "our", or "the app") is a free casual mobile game. This Privacy Policy explains how we collect, use, and protect your information when you use our app.
Leaderboard Data: When you play the game, we collect your nickname (randomly generated or user-set), high score, and country (auto-detected from timezone). This data is stored on our server (Supabase) to display global leaderboards.
Advertising Data: We use Google AdMob to display ads. AdMob may collect device identifiers (including Advertising ID), IP address, and usage data to serve personalized or non-personalized ads. For more information, see Google's Privacy Policy.
Local Data: Game progress, settings, and preferences are stored locally on your device using localStorage. This data is not transmitted to any server.
The app uses the following third-party services that may collect data:
StackStack is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided personal information, please contact us so we can delete it.
Leaderboard data (nickname, score, country) is retained indefinitely to maintain the global leaderboard. Local data can be cleared by the user at any time by clearing the app's data or uninstalling the app.
If you are in the European Economic Area, you have the right to:
You can opt out of personalized ads through your device settings (Settings → Google → Ads → Opt out of Ads Personalization).
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated date.
If you have questions about this Privacy Policy, contact us at:
Email: joselee0620@gmail.com