Privacy Policy

Last Updated: July 21, 2026

YajuDevStudio built the CopyBook & Notes app as an Ad Supported app. This SERVICE is provided by YajuDevStudio at no cost and is intended for use as is.

CopyBook & Notes ("we", "us", or "our") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our mobile application.

1. Information Collection

We do not collect any personal information such as your name, email address, or phone number. All data you save in the app (categories, notes, clipped text) is stored locally on your device.

2. Offline Backup

The app provides a feature to manually export your data as a backup file. This file is stored in your device's "Documents" folder and is entirely under your control. The app does not upload this file to any server.

3. Android Auto Backup

This app supports Android's built-in Auto Backup feature, which may automatically save your app data to your personal Google Drive account managed by the Android system. This is a system-level feature and we do not have access to your Google account or the data stored there.

4. Advertisements

We use Google AdMob to display advertisements. AdMob may collect certain device identifiers to serve personalized ads. Please refer to Google's privacy policy for more details.

5. Security

We take reasonable measures to protect your local data. However, please be aware that no security measure is perfect.

6. Changes to This Policy

We may update this Privacy Policy from time to time. Your continued use of the app after changes indicates your acceptance of the new policy.

End User License Agreement (EULA)

Please read this EULA carefully before using CopyBook & Notes.

1. License

By using this app, you are granted a non-exclusive, non-transferable license to use CopyBook on your personal device.

2. Restrictions

You may not:

Decompile, reverse engineer, or attempt to derive the source code of the app.
Use the app for any illegal purpose.
Distribute or sub-license the app.

3. Disclaimer of Warranty

The app is provided "AS IS" without warranty of any kind. We do not guarantee that the app will be error-free or uninterrupted.

4. Limitation of Liability

In no event shall we be liable for any damages arising out of the use or inability to use the app.

5. Termination

We may terminate this license at any time if you fail to comply with any term of this EULA.