Issue:
Some people have updated to itim 4.0 and could not log in or the app crashed.
Solution:
Simple fix :)
1. Go to your device Settings and go to General .
2. Go to Reset and Reset All Settings
Then you will be able to Enjoy the amazing iTim 4.0
IMPORTANT:
Please make sure your device date and time is NOT Set to 24hr. If set to 24hr, it causes the app to crash.
Learn How to Install iTim 4.0