Iphone app crashing after a few seconds (latest ios update)

The app crashes after opening it for a few seconds. This happened both before and after the most recent ios update. (7.1. Something).

I've tried restarting, reinstalling, and I can't fix the error. Please help!!

What device? Can you get the exact iOS version?

Thanks.

D'oh, obviously should have said that.

iPhone 5
iOS 7.1.2

Again, it just opens for a few seconds, then closes. This happens whether I start navigating to various areas or just leave it.

When I double-tap the Home phone button, the App shows in my list of open apps, but when I click it, it restarts.

Hope this helps.

Thanks. We are a few weeks away from a new release and hopefully that will fix it.