What are some alternatives?
When comparing Good Mobile Security Platform and AWS Device Farm, you can also consider the following products
Cisco Meraki Systems Manager - Cisco Meraki Systems Manager offers cloud-based mobility management solutions.
Genymotion - This is an Android emulator for your computer.
Scalefusion - Scalefusion is a Powerful Android, iOS, macOS & Windows 10 Device Management Solution for corporate-owned & employee-owned (BYOD) mobile, tablets, desktop & rugged devices.
TestFlight - iOS beta testing on the fly.
BlackBerry Enterprise Mobility Suite - Blackberry Enterprise Mobility Suite is a comprehensive EMM platform for device, application, and content management with integrated security and connectivity.
Xcode - Xcode 4 is the new version of Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.