Privacy policy

This privacy policy is applicable to the puzzle apps for mobile devices created by B.A. van den Berg (hereinafter referred to as "Service Provider"). The applications are provided as free, ad-supported services with optional paid features. This service is provided "AS IS".

The following applications are covered by this Privacy Policy and are hereinafter referred to as the “Application”:

• Sudoku: Logic Puzzles (Android)
• Trees & Tents: Logic Puzzles (Android)
• Hashi: Logic Puzzles (Android)
• Star Battle: Logic Puzzles (Android, iOS)
• Kuromasu: Logic Puzzles (Android)
• Suguru: Logic Puzzles (Android)
• Queens: Logic Puzzles (Android, iOS)
• Binary Twist: Logic Puzzles (Android, iOS)

By installing and using the Application, you agree to the information collection and sharing as described in this policy. If you do not agree to this policy, do not use the Application and uninstall it from your device.

What information does the Application obtain?

the Application may collect certain information automatically, including, but not limited to, the type of mobile device you use, the IP address of your mobile device, and your mobile operating system.

Does the Application collect precise real time location information of the device?

This Application does not gather precise information about the location of your mobile device.

Does the Application use Artificial Intelligence (AI) technologies?

The Application does not use Artificial Intelligence (AI) technologies to process your data or provide features.

What information is used by the Application?

The Application does not use any user information.

Do third parties see and/or have access to information obtained by the Application?

Only aggregated, anonymized data is periodically transmitted to external services to aid the Service Provider in improving the Application and their service. The Service Provider may share your information with third parties in the ways that are described in this privacy statement.

Please note that the Application utilizes third-party services that have their own Privacy Policy about handling data. Below are the links to the Privacy Policy of the third-party service providers used by the Application:

• Google Play Services
• AdMob
• Firebase Crashlytics
• Facebook

Advertising Services

AdMob, a service provided by Google, is used to serve advertisements within the app. AdMob may collect and use user data to provide personalized advertising. For more information, refer to Google's privacy policy and safety center. You can opt-out of personalized advertising on your Google ad settings page.

Meta Audience Network, provided by Meta, is used to serve ads through mediation with AdMob. Meta may collect and use user data for ad personalization. For more details, refer to Meta's privacy policy.

Crash reporting

Firebase Crashlytics, provided by Google, is used to detect and report app crashes. Crashlytics may collect crash logs and related data, such as device state information, unique device identifiers, location data, and usage data, to help improve app stability. For more information, see Firebase's data processing and security terms.

What are my opt-out rights?

You can halt all collection of information by the Application by uninstalling the Application. You may use the standard uninstall processes as may be available as part of your mobile device or via the mobile application marketplace or network.

How will you be informed of changes to this Privacy Policy?

This Privacy Policy may be updated from time to time for any reason. The Service Provider will notify you of any changes to the Privacy Policy by updating this page with the new Privacy Policy. You are advised to consult this Privacy Policy regularly for any changes, as continued use is deemed approval of all changes.

This privacy policy is effective as of 2026-01-08.

How can you contact us?

If you have any questions regarding privacy while using the Application, or have questions about the practices, please contact the Service Provider via email at info@brennerd.com.