Is this the reset you did? - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.) No data/files will be erased. http://support.apple.com/kb/ht1430
iOS 7: Help with how to fix a crashing app on iPhone, iPad (Mini), and iPod Touch
http://teachmeios.com/help-with-how-to-fix-a-crashing-app-on-iphone-ipad-mini-an d-ipod-touch/
Troubleshooting apps purchased from the App Store
http://support.apple.com/kb/TS1702
Delete the app and redownload.
Downloading Past Purchases from the iTunes Store, App Store and iBooks Store
http://support.apple.com/kb/ht2519
Cheers, Tom
😉