The SS Group app is the official application for Sonic, SiGNal, and SUPERB. It is a free app that provides the latest information, events, and exclusive deals for its users. By turning on push notifications, users can receive information as soon as it is available.

The app also features a stamp card that accumulates rewards for each visit to the stores. Additionally, users can check out the event calendar to see the latest campaigns, events, and announcements on a monthly basis.

The app is available for Android users and is free to use. However, it is recommended to update the OS to the latest version for optimal use. Please note that some OS versions may not be compatible with the app.