IEZEN (the "App") is a utility that controls external EDC LED matrix hardware devices over Bluetooth (BLE).
We value your privacy. This policy explains how the App handles data related to you.
1. Information We Collect
The App requires no account registration and does not collect any personally identifiable information (such as name, phone number, email, or precise location).
Bluetooth (BLE) data: used only when you actively connect a device, for communication with your hardware. This data is processed on your device and never leaves it.
Usage analytics: the App contains no third-party analytics or advertising/tracking SDKs, and does not profile your behavior.
2. Data Storage
Your preferences, light-effect drafts, fidget counts, and similar data are stored only in the device's local private storage (UserDefaults).
The App runs no backend server and performs no cloud sync or upload of any kind. Reinstalling the App or switching devices will not retain or transfer local data.
3. What We Do NOT Do
We do not upload any of your data to a server;
We do not sell, rent, or share your data with any third party;
The App contains no advertising SDKs, no third-party analytics/tracking SDKs, and does not use the Identifier for Advertisers (IDFA).
4. Permissions
Bluetooth: used to discover and control your EDC LED matrix device; required for the App's core functionality. You may disable this permission at any time in system settings.
5. Children's Privacy
The App contains no inappropriate content and is suitable for all ages. We do not knowingly collect personal information from children.
6. Contact Us
If you have any questions about this privacy policy, please contact us at: jianglm@yizizn.com
7. Changes to This Policy
If this policy changes, we will update the "Last updated" date at the top of this page. Material changes will be notified in-app or by other appropriate means.