If you create an Enterprise App for iOS devices that you will distribute through NotifyMDM Mobile Apps, the app must be built as an "in-house" app with the provisioning profile embedded within the app.

NotifyMDM does not currently support apps built for "ad-hoc" distribution. 

For more information, see the following documentation available from Apple:

https://developer.apple.com/library/ios/#technotes/tn2250/_index.html