If an app is repeatedly crashing please try a reset of your device and then re-launch the app. 

iOS devices:
To do a hard reset, please hold the home button and sleep button together until the Apple logo displays on the screen.

Android devices:
To do a hard reset for an Android device, please hold the volume up and power button together.

If this does not resolve the issue please contact us at info@pocketmags.com. Please provide as much detail as possible, such as which device you are using and when it is crashing (particularly if it is repeatedly happening at the same point)