I have used Logos on Windows some (but not much because I use Linux, not Windows). I usually use Logos on an Android device. Although Logos for Android probably has the best interface for reading Bibles (in my opinion), it is very feature poor.
I have never used Logos on any Mac product. Was considering obtaining an iPad mini primarily because the intended user (Hi Mom) wants something small that has decent Logos functionality. She currently uses it on an Android device and a Windows device. Does the Mac version have more functionality than the Android version?