Download version 7 here:
IPhones/iPads: https://apps.apple.com/us/app/arenagear-sports-timer/id1455157413
Android: https://play.google.com/store/apps/details?id=com.arenagear
You can find the help files for the Version 8 app here:
https://arenagear.com/appguide
And for the Portal here: