Privacy by design, always on‑device.
Last updated: January 2026
1. Summary
HDXW BEST works entirely on-device. No account is required, and no personal data is collected.
2. Data We Do Not Collect
We do not collect names, email addresses, location history, payment data, or any user-generated experiment logs. Your data stays local on your device.
3. Optional Exports
If you choose to export your data, the file is created on your device. We do not receive or store exported data.
4. Security
Because we do not collect your data, there is no central server storing personal information. You control backups and device security.
5. Changes
If we update this policy, the "Last updated" date will change. Continued use of the app means you accept the updated policy.
Contact
Questions about privacy? Email us at [email protected].