Miniumum operating system and screen resolution requirements:

Apple phones and tablets

All On Mobile and Whitespace Mobile v4 and v5 requires that Apple devices run iOS 13 and above and with screens of 1136x640px or better (iPhone 6 or later).

Samsung, Panasonic, TomTom and other Android phones and tablets

All On Mobile and Whitespace Mobile v4 and v5 requires that Android devices run 6.0.1 and above only.

All On Mobile and Whitespace Mobile v4 is not certified to run on Webfleet (TomTom) devices.

All On Mobile and Whitespace Mobile v3 requires that Android devices run 4.3 and above.

Both v3 and v4 versions of All On Mobile and Whitespace Mobile require a minimum screen resolution of 1136x640px, with the exception of Webfleet (TomTom) devices running at 1024x600px.

Windows devices

All On Mobile and Whitespace Mobile v5 is not available for Windows Mobile devices.

Support for Windows 10 Mobile devices was withdrawn during December 2019, in line with Microsoft's end-of-life announcement.