Can you please try to delete the app and reinstall it?
* Go to where you would normally start the ihub app.
* Press and hold the launch icon until they are all wiggling.
* Press the x in the icon's top corner.
* Delete the app and all of it's data. Delete it all!
* Go to the app store and re-download the app.
Then please let me know if the app works correctly for you after the download.