GB WhatsApp is a modified version of the popular messaging app WhatsApp. It's not an official app and is not available on app stores like Google Play or the Apple App Store. GB WhatsApp is developed by third-party developers and offers additional features and customization options that are not available in the official WhatsApp application.

Some of the features that GB WhatsApp typically offers include:

1. Customizable Themes: GB WhatsApp allows users to apply custom themes to change the look and feel of the app.

2. Privacy Options: It offers enhanced privacy features, such as the ability to hide your online status, hide blue ticks, and more.

3. Dual WhatsApp: You can use GB WhatsApp alongside the official WhatsApp app on the same device, allowing you to have two WhatsApp accounts.

4. Increased File Sharing Limits: GB WhatsApp often allows users to send larger files, such as videos and documents, compared to the official WhatsApp.

5. 4. Unreliable Updates: GB WhatsApp may not receive regular updates or bug fixes, which can lead to compatibility issues or security vulnerabilities.

   Given these risks, it's generally recommended to use the official WhatsApp application, which is regularly updated and maintained by WhatsApp Inc., to ensure the security and privacy of your messages and data. If you're looking for additional features, you may want to explore other messaging apps that offer more customization and features while still prioritizing security and privacy.