The checkbuster webapp is supported on all operating systems. For the best experience use the latest versions of Google Chrome, Opera, Mozilla Firefox or Microsoft Edge. Visit here to see the latest updated versions.
the Checkbuster NXT mobile app is supported on iOS version 12.4 and higher, for Android from version 7 and higher and via the website (PWA) from iOS version 12 and higher. That means that Checkbuster NXT will not work on devices that are too outdated to update to newer versions.