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Privacy Policy
Last Updated: August 2025
Calzo: NumSum Puzzle ("the App") respects your privacy and is committed to protecting your personal information.
This Privacy Policy explains what information we collect and how we use it.
1. Information We Collect
1.1 Information Collected Automatically
The App may automatically collect the following information:
- Usage Data: Game play data such as play count, completion time, and selected difficulty levels
- Device Information: Device type, OS version, app version
- Crash Reports: Technical information when the app crashes
- Advertising Identifier: Anonymized identifier for ad delivery and effectiveness measurement
1.2 Information You Provide
- Game Progress: Save data and statistics (stored on device)
- Purchase Information: Premium subscription status (processed by Apple/Google)
- Language Settings: Language selected within the app
2. How We Use Information
We use collected information for the following purposes:
- Improving and personalizing game experience
- App improvements and bug fixes
- Delivering appropriate advertisements (free users only)
- Resolving technical issues and providing support
- Analyzing usage statistics
3. Third-Party Services
The App uses the following third-party services:
3.1 Google AdMob (Advertising)
- Used to display ads to free users
- May collect information for ad personalization
- Details: Google Privacy Policy
3.2 Firebase Analytics
3.3 App Store / Google Play (Payment Processing)
- Processes premium subscriptions
- Payment information is managed directly by Apple/Google
- The App does not access payment information
Note: Premium members do not see advertisements, so no ad-related information is collected from them.
4. Data Protection
We implement appropriate security measures to protect collected information.
However, we cannot guarantee complete security over the internet.
5. Data Retention
- Game Progress: Retained as long as the app is installed
- Analytics Data: Retained for up to 14 months
- Crash Reports: Retained for 90 days
6. Children's Privacy
The App does not intentionally collect personal information from children under 13.
If you are under 13, please obtain parental consent before using the app.
7. Your Rights
You have the following rights:
- Opt out of ad personalization (through device settings)
- Stop data collection by uninstalling the app
- Avoid ad-related data collection by becoming a premium member
8. Changes to Privacy Policy
This Privacy Policy may be updated as necessary.
We will notify you of significant changes within the app.
9. Contact Us
If you have questions or concerns about this Privacy Policy, please refer to our main page for contact information.