Sudoku Challenge Your Mind Daily

Privacy Policy

PRIVACY POLICY

Last Updated: February 26, 2026

Simple Tool Studio ("we," "our," or "us") operates the Sudoku mobile application (the "App"). This Privacy Policy explains how we collect, use, and protect your information when you use our App.

1. Information We Collect

1.1 Account Information

Google account email and display name (when you sign in)
Profile picture (from Google account)

1.2 Game Data

Game progress, scores, and statistics
Achievements and trophies earned
Daily challenge completion records
Streak information

1.3 Device Information

Device type and model
Operating system version
Unique device identifiers
App version

1.4 Usage Data

App usage patterns
Feature interactions
Crash reports and performance data

2. How We Use Your Information

We use collected information to:

Provide and maintain the App
Save your game progress across devices
Display leaderboards and achievements
Send push notifications (with your permission)
Improve app performance and user experience
Display advertisements

3. Third-Party Services

Our App uses the following third-party services:

3.1 Google Firebase

Authentication (Google Sign-In)
Cloud Firestore (data storage)
Firebase Analytics
Firebase Cloud Messaging (notifications)

3.2 Google AdMob

Displays advertisements
May collect device identifiers for ad personalization
You can opt out of personalized ads in your device settings

3.3 Google Play Services

Required for app functionality
For more information about how Google handles your data, please visit: https://policies.google.com/privacy

4. Data Storage and Security

Your data is stored securely on Google Firebase servers
We implement industry-standard security measures
Data is encrypted in transit and at rest
We do not sell your personal information to third parties

5. Children's Privacy

Our App is suitable for all ages. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.

6. Your Rights

You have the right to:

Access your personal data
Request deletion of your data (via our deletion form)
Opt out of personalized advertisements
Disable push notifications
Delete your account and associated data

To exercise these rights, contact us at: themind.feed29@gmail.com

7. Intellectual Property

7.1 Ownership

All content in this App, including but not limited to:

App logo and icons
User interface designs
Sound effects and audio files
Fonts and typography
Graphics and images
Game mechanics and algorithms

Are the exclusive property of Simple Tool Studio or are used with proper licensing.

7.2 Third-Party Assets

Fonts: Rubik 80s Fade (Google Fonts - Open Font License)
Icons: Material Design Icons (Apache License 2.0)
Sound effects: Created by Simple Tool Studio or sourced from royalty-free libraries

7.3 Restrictions

You may NOT:

Copy, modify, or distribute any App content
Reverse engineer the App
Use App assets for commercial purposes
Claim ownership of any App content

All rights are reserved by Simple Tool Studio.

8. Advertisements

This App displays advertisements via Google AdMob
Ads help us keep the App free
You may see rewarded ads to earn in-game rewards
Ad frequency is limited to ensure good user experience

9. Push Notifications

We may send push notifications for:

Achievement unlocks
Daily challenge reminders
Streak maintenance reminders
App updates and new features

You can disable notifications in your device settings at any time.

10. Changes to This Policy

We reserve the right to update or modify this Privacy Policy at any time without prior notice. Changes will be effective immediately upon posting the updated policy in the App or on our website. Your continued use of the App after any changes constitutes acceptance of the new Privacy Policy.

We recommend reviewing this policy periodically for any updates.

11. Contact Us

If you have any questions about this Privacy Policy, please contact us:

Simple Tool Studio
Email: themind.feed29@gmail.com
Website: www.simpletoolstudio.com