The DoubleDutch mobile app can be used on the following platforms with the following minimum requirements:
iOS: the iOS app is compatible with iPhones, iPads, and iPod touches running on an operating system of 11 and above. Device models older than the iPhone 4s, iPod touch 5th generation, and iPad 2 will not be able to run 11. If your DoubleDutch app is on version 7.0+ and you are using an iOS device, the app is only supported on iOS 11 and higher.
Android: the Android app is compatible with Android phones and tablets running on an operating system of 5.0 and above.
HTML 5: HTML 5 is a web-based application and can be accessed on a web-browser (optimized in Chrome, Safari, Firefox, IE 11+) used for desktops, Blackberry 10, and Windows Phone IE.