Privacy Policy
Applies to these apps:
| App | Platform |
|---|---|
| Random Race | Android, iOS, Web |
| Finger Chooser (Selio) | Android, iOS |
| Digits | Android, iOS |
| Hexis | Android, iOS |
| Roku | Android |
| Sudoku | Android |
| Brevity | Android |
| Minesweeper | Android |
| Tomer | Android |
| QR Scanner | Android |
| Calcudoku | Android |
| Killer Sudoku | Android |
| Chess Clock | Android |
Last updated: January 25, 2026
Our Commitment to Privacy
Welles Liu ("I", "we", "us") built these apps as free apps. These services are provided at no cost and are intended for use as is.
Your privacy matters. Our apps are designed with a privacy-first approach.
Data Collection
We do not collect any personal data.
Our apps:
- Do not require account creation or login
- Do not collect personally identifiable information
- Do not use analytics or tracking services
- Do not display advertisements
- Do not share any data with third parties
Local Storage
Our apps may store data locally on your device (such as game progress, settings, or preferences). This data:
- Never leaves your device
- Is not transmitted to any server
- Is not accessible to us or any third party
- Can be deleted by uninstalling the app or clearing app data
Third-Party Services
Our apps use the following platform services:
- Google Play Services (Android) - Required for app distribution
- Apple App Store (iOS) - Required for app distribution
These platform services may collect certain information as part of their standard operation. Please refer to their respective privacy policies:
Children's Privacy
Our apps do not collect any personal information from anyone, including children under 13. Since we do not collect data, there is no risk of children's information being collected or misused.
Links to Other Sites
Our apps may contain links to external websites (such as app store pages). These external sites are not operated by us, and we encourage you to review their privacy policies.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated date.
Contact Us
If you have any questions about this Privacy Policy, please contact us at info@sopivasti.com.