Fragmenter is currently available publicly only for Android devices. Windows and Mac versions are not yet publicly available, iOS support is planned. Meanwhile if you want to use Fragmenter on one of these OS's, don't hesitate to contact us at "longtitlepro at gmail dot com".
Fragmenter Pro is the full-featured version of Fragmenter, note that currently the Amazon App Store version is far behind the latest version. Please contact us if you are interested in using the latest Fragmenter on Android.