Privacy Policy for Sudoku - Classic & Endless
Last updated: June 2026
Overview
Sudoku - Classic & Endless ("the App") is developed by LoneCheese Dev ("we", "us", or "our"). This privacy policy explains how we handle information when you use our App.
We are committed to protecting your privacy. Sudoku - Classic & Endless is designed to be played entirely offline and collects minimal data.
Information We Collect
Data stored locally on your device
The App stores the following data locally on your device using Android SharedPreferences. This data never leaves your device and is not accessible to us:
Game progress and saved puzzles
Game statistics (best times, puzzles completed, hints used)
App settings and preferences (theme, colour palette, sound settings)
We do not collect, transmit, or store any of this data on external servers.
Advertising Data (Google AdMob)
The App displays advertisements provided by Google AdMob. Google AdMob may collect and use data to serve personalised or non-personalised ads. This may include:
Device identifiers (e.g. Advertising ID)
IP address and approximate location
Ad interaction data (views, clicks)
This data is collected and processed by Google, not by us. For more information on how Google uses this data, please visit:
https://policies.google.com/privacy
You can opt out of personalised advertising at any time through your device settings under Google → Ads → Opt out of Ads Personalisation.
Information We Do Not Collect
We do not collect:
Your name, email address, or any personal identifiers
Account or login information (no account is required)
Location data
Camera or microphone data
Contacts or any other device data
Any data from children under 13
Children's Privacy
Sudoku - Classic & Endless is suitable for all ages. We do not knowingly collect any personal information from children under the age of 13. The App does not require account creation or any personal information to play.
Google AdMob is configured to serve ads appropriate for general audiences. If you are a parent or guardian and have concerns, please contact us using the details below.
Third Party Services
The App uses the following third party service:
Google AdMob
Purpose: Displaying advertisements
Privacy Policy: https://policies.google.com/privacy
Opt-out: https://adssettings.google.com
No other third party services, analytics tools, or tracking SDKs are used in the App.
Data Security
All data stored by the App remains on your device at all times. We have no access to this data and it is protected by your device's own security measures.
Changes to This Privacy Policy
We may update this privacy policy from time to time. Any changes will be reflected on this page with an updated date at the top. We encourage you to review this policy periodically.
Contact Us
If you have any questions or concerns about this privacy policy, please contact us at:
📧 lonecheesedev@gmail.com
Your Rights
Depending on your location, you may have rights regarding your personal data under applicable laws such as GDPR (UK/EU) or CCPA (California). Since we do not collect personal data, there is no data for us to provide, correct, or delete. For any AdMob-related data requests, please contact Google directly.