a very easy to replicate crash is to two-finger scroll and hold the scroll And app will crash. Time to hold is perhaps 5 seconds or less. No crash report log given a I am not on PC at the moment. It is pretty easy to replicate. Let me know if it is needed And will try to post log from a PC.
ios 7..1.2 on iPad 3
Logos 4.3.2
Blessings,
Chris