"We collect device data such as information about your computer, phone, tablet, or other device you use to access the Services. Depending on the device used, this device data may include information such as your IP address (or proxy server), device and application identification numbers, location, browser type, hardware model, Internet service provider and/or mobile carrier, operating system, and system configuration information."
The service collects extensive device data including application identification numbers, hardware model, carrier information, and system configuration, which is more than a coupon service needs for core functionality.