
SubTenPro is the ultimate training tool for Rubik's Cube enthusiasts and speedcubers. Whether you're learning your first algorithms or perfecting advanced techniques, SubTenPro provides a professional-grade 3D simulator with powerful visualization and practice tools.
Privacy Policy
Effective October 12, 2025
Overview
SubTenPro ("we," "our," or "the app") is committed to protecting your privacy.
This Privacy Policy explains how SubTenPro handles your information.
Information Collection and Use
SubTenPro does not collect, store, or transmit any personal data.
The app operates entirely offline on your device. All features function without
requiring an internet connection, user accounts, or data transmission to
external servers.
Data Stored Locally on Your Device
SubTenPro stores the following data locally on your device only:
- Custom Algorithms - Algorithm sequences you create and save
- Algorithm History - Your recent move sequences and practice history
- App Settings - Your preferences for camera position, cube orientation, inertia
settings, and other configuration options
This data:
- Remains exclusively on your device
- Is never transmitted to our servers or any third parties
- Can be deleted by removing the app from your device
- Is not backed up to our servers (though may be included in your device's
iCloud backup if enabled)
Clipboard Access
When you use the "Copy" feature, SubTenPro temporarily accesses your device
clipboard to copy algorithm text. This data is only written to your local
clipboard and is not collected or transmitted by the app.
Data Sharing
SubTenPro does not share any data with third parties because we do not collect
any data. The app does not use:
- Analytics services
- Advertising networks
- Third-party SDKs that collect data
- Crash reporting services that transmit personal information
Children's Privacy
SubTenPro does not knowingly collect any information from anyone, including
children under 13. The app is safe for users of all ages.
Changes to Device Settings
SubTenPro does not modify any device settings outside of standard iOS
permissions (such as haptic feedback).
Third-Party Links
SubTenPro does not contain links to external websites or services.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Any changes will be
reflected in the "Last Updated" date above. Continued use of the app after
changes constitutes acceptance of the updated policy.
Your Rights
Since SubTenPro does not collect personal data, there is no personal information
to access, modify, or delete from our systems. You maintain complete control
over locally stored data by managing the app on your device.
Contact Us
If you have any questions about this Privacy Policy, please contact us:

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Privacy Policy
Effective date: February 8, 2024
Braincandy, LLC operates the QR-X mobile application (hereinafter referred to as the "Service").
This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our Service and the choices you have associated with that data.
We value your privacy and are committed to protecting your personal data. As such, we do not collect, use, store, or share any personal information or data through the use of our Service.
1. Information Collection and Use - We do not collect any personal data with our Service. Therefore, no personal data is used, stored, shared, or transferred to anyone.
2. Log Data - We do not collect log data. No information is collected from your phone, such as IP addresses or device information.
3. Cookies - Cookies are not used to track the activity on our Service and we hold no information on your use of our app.
4. Service Providers - We do not employ third-party companies and individuals ("Service Providers") to facilitate our Service or provide the Service on our behalf.
5. Security - The security of your personal data is important to us, but remember that no method of transmission over the internet or method of electronic storage is 100% secure. Since we do not collect personal data, we do not store or protect any.
6. Links to Other Sites - Our Service may contain links to other sites that are not operated by us. If you click on a third-party link, you will be directed to that third party's site. We strongly advise you to review the Privacy Policy of every site you visit.
7. Changes to This Privacy Policy - We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.
You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.
8. Contact Us - If you have any questions about this Privacy Policy, please contact us:
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