NOTE: Apple devices running on an iOS prior to 10.3.2 are not supported and will display an error upon download or install.
Please make sure your Apple device can run iOS 10 and has run the latest software update before continuing.

Once application is installed, trust enterprise certificate:

Open Settings and select General, then Device Management:

Select TheaterMania.com, Inc

Tap on Trust "TheaterMania.com, Inc"

Confirm