The minimum device requirements are:
iOS – The phone must be an iPhone 4S, 5, 5C, 5S, 6, 6 Plus, 6S, 6S Plus, SE, 7, or 7 Plus running iOS 8 or later. However, for best results: Use iPhone 5 or newer
Android – Any smart phone from 2013 or newer with Android version 4.0 or newer. However, for best results the phone should run Android 5.0 or newer
The app is currently not compatible with any tablets at this time.