The proliferation of mobile devices in the market has pushed the software industry to create and maintain apps for every market need. Mobile testing is one of the most complex aspects of running an app and the job is not getting any easier with newer OS and version releases every other day. For such a diverse landscape, cloud computing platforms offer a unified, dynamic and secure testing solution. A single cloud subscription platform can help testers connect thousands of mobile devices, with different device configurations, at one go. The increasing adoption of cloud testing methods has resulted in service providers offering diverse features, use cases and pricing models based solutions for the market. Here is a table that compares several functionalities of three of the most prominent cloud-based mobile testing platforms - AWS Device Farm, Sauce Labs, Xamarin Test Cloud. This can serve as a guide for any company to make an informed decision over their cloud investments.