Since its maiden run (a 6-mile route near Charleston, S.C.) on Christmas Day 1830, the company has been overseen by bankers, operation chiefs and even tax lawyers.
If you can tell from what your app needs to do that you will need to go native, bite the bullet and learn one of the native tongues (Objective C for iOS or Java for Android.) Bell strongly advises that if you go the mobile route, pick iOS or Android and build for that first.