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The / Key Survey Mobile applications are capable of running on multiple mobile operating systems and preferred web browsers:

  • iPhone, starting from iPhone 4S with iOS 9 and higher;
  • iPad, starting from iPad 2 with iOS 9 and higher;
  • Android phones and tablets with Android 5.1 and higher;

Please note that some of the Android devices may be running a different operating system, for example, a Fire OS on Amazon Fire tablets. Such devices may not include the Google Play store, from which our apps are downloaded and installed. While it may be possible to make modifications to add the Google Play store to such devices, we do not support using our apps on Fire OS and cannot guarantee their stable performance. Desktop application for Windows can run on Windows 7, Windows 8.1 Pro and Windows 10. Windows 8.1 RT is not a supported version.

The Web version of the Mobile app is accessible at and for Google Chrome and Safari browsers.