You can use either a Mac/ PC/ iOS or Android device with the Offshore App.
To install the current version of the Offshore App, your device requires, at a minimum:
Hardware Requirements
For a Windows PC, 300 MB of hard drive space, 4Gb of RAM
For a Mac, a 64-bit processor
Software Requirements
iOS 15.2 or later
Android 8 or later
Windows 10 with Fall Creator update released October 2017 or later
Mac OSX 10.13 or later