Everything works fine till I build my cordova application with Xcode 7.3.0 but it started crashing only on iOS 10 devices after building the same application with Xcode 8 wh
I had a similar problem (check out my question on SO) and found out that my UI had created another instance of itself, presenting both at the same time.
If you have not found a solution to your problem yet I advice you to use the Debug View Hierarchy-tool... maybe you have got the same kind of problem as I had.
Good luck!