GreenSpacePro is designed for desktop and mobile usage. You can access GreenSpacePro on any of your mobile devices. Just sign in to app.greenspacepro.com on your phone.
Generally, all of the features work the same in the desktop and mobile versions. A few features have been disabled in mobile because they work better for most users in the desktop version.
We don't yet have a mobile app that you can download from the Apple or Android app stores. We're working on it.