# Privacy Policy – PlugBrain

**Last updated:** October 2, 2025

**PlugBrain** blocks apps and uses math challenges to reduce screen time.

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## 1. Data Collection

The **PlugBrain** app:

- **Does not collect any personal data** (name, email address, location, etc.).
- **Does not require a user account**.
- **Does not send any data to external servers**.

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## 2. Permissions Used

Some permissions are required **only to ensure the proper functionality** of the app:

- `android.permission.SYSTEM_ALERT_WINDOW`: Used to display the challenge screen on top of other apps.
- `android.permission.PACKAGE_USAGE_STATS`: Used to detect usage time of selected apps.
- `android.accessibilityservice.AccessibilityService`: The Accessibility Service is used exclusively to detect when a blocked app is opened and to show a math challenge before allowing access. PlugBrain does not use Accessibility to read content, capture input, or collect any user data.
- **No internet access is requested or required by the app.**

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## 3. Local Data Usage

PlugBrain may store user preferences **locally** (such as selected blocked apps).
This data never leaves the device and can be deleted by uninstalling the app.

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## 4. Security

We are committed to protecting user privacy. Since PlugBrain does not collect or transmit data, the privacy risks are minimal.

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## 5. Third-Party Services

- The app contains **no advertisements**.
- The app does **not use any third-party services** for analytics or tracking.

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## 6. Policy Changes

Any changes to this privacy policy will be posted on this page.
Users will be notified through an app update if significant changes are made.

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## 7. Contact

For any questions regarding this privacy policy, feel free to contact us:
belaid.mohammed.said@gmail.com
