Open the App store and search for ORBITAS. Once you find Orbitas in the store you can check to see if there is an update available. You will see either OPEN or UPDATE. If it state UPDATE, then there is an update available for download. You can also click on VERSION HISTORY to check out the version release details.
To check what version of Orbitas Field you currently have installed, open the Orbitas app and select SETTINGS. Next click on ABOUT ORBITAS. The current installed version will be displayed at the top.