Privacy Policy for Quick Math Duel
Last Updated: December 2025
Introduction
Welcome to Quick Math Duel! This Privacy Policy explains how we handle information when you use our mobile application ("App"). We are committed to protecting your privacy and ensuring transparency about our data practices.
Information We Collect
Data Stored Locally on Your Device
Quick Math Duel is designed to work offline and stores the following information locally on your device using SharedPreferences:
- Game Scores: Your top 3 scores for each game mode (Solo, Duel, Survival)
- Game Settings: Your preferences for sound, vibration, and mute settings
- Language Preference: Your selected app language
- Onboarding Status: Whether you have completed the initial onboarding
Important: All this data is stored only on your device and is never transmitted to us or any third parties. You can clear this data at any time by uninstalling the app.
Data Collected by Third-Party Services
Google Play Games Services
Our App uses Google Play Games Services to provide leaderboards and achievements. When you sign in with Play Games, Google may collect:
- Your Google Play Games profile name and profile picture
- Game scores submitted to leaderboards
- Achievement progress and unlocks
- Device identifiers
This data is used to display your scores on global leaderboards and track your achievements.
For more information, please visit: Google Play Games Privacy Policy
Note: Using Play Games Services is optional. You can play the game without signing in, but leaderboards and achievements will not be available.
Google AdMob
Our App uses Google AdMob to display advertisements. When you interact with ads, Google may collect certain information according to their Privacy Policy. This may include:
- Device identifiers (such as Advertising ID)
- IP address
- Device information (model, operating system)
- App usage data related to ad interactions
For more information about how Google uses data, please visit:
You can opt out of personalized ads by adjusting your device's ad settings:
- Android: Settings > Google > Ads > Opt out of Ads Personalization
- iOS: Settings > Privacy > Apple Advertising > Limit Ad Tracking
How We Use Information
Local Data
- Game scores and settings are used solely to enhance your gaming experience within the App
- Language preference is used to display the App in your chosen language
- No local data is shared with third parties
AdMob Data
- AdMob uses collected data to serve relevant advertisements
- We do not have access to or control over the data collected by AdMob
- Ad personalization helps support the free availability of our App
Data Sharing
We do not sell, trade, or share your personal information with third parties except:
- Google Play Games Services: When you sign in, your game scores are shared on public leaderboards and achievement progress is tracked
- Google AdMob: As described above, AdMob may collect data for advertising purposes
- Legal Requirements: We may disclose information if required by law or to protect our rights
Children's Privacy
Quick Math Duel is designed to be family-friendly and suitable for children. We comply with the Children's Online Privacy Protection Act (COPPA):
- We do not knowingly collect personal information from children under 13
- The App does not require account creation or login
- All data is stored locally on the device
- Parents can delete all data by uninstalling the App
Your Rights
You have the following rights regarding your data:
- Access: You can view your game scores and settings within the App
- Deletion: You can delete all data by uninstalling the App or using the "Clear History" feature in the App. For detailed instructions, visit our Data Deletion Request Page
- Control: You can control ad personalization through your device settings
- Opt-Out: You can opt out of personalized ads as described above
Data Security
- All game data is stored locally on your device using secure storage mechanisms
- We do not transmit your game data over the internet
- We do not maintain servers or databases that store your information
Third-Party Links
Our App may contain links to third-party websites or services (such as Google's privacy policies). We are not responsible for the privacy practices of these external sites.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by:
- Updating the "Last Updated" date at the top of this policy
- Posting the new Privacy Policy in the App Store/Play Store listing
Your continued use of the App after changes constitutes acceptance of the updated policy.
International Users
This Privacy Policy is designed to comply with:
- General Data Protection Regulation (GDPR) for users in the European Union
- California Consumer Privacy Act (CCPA) for users in California
- Other applicable privacy laws
Contact Us
Consent
By using Quick Math Duel, you consent to this Privacy Policy. If you do not agree with this policy, please do not use the App.