Uncheck the app’s name under the Applications tab for you device in iTunes.
Click Sync (this will uninstall the app on your device).
Recheck the app’s name under the Applications tab.
Click Sync again to reinstall the app.
Uncheck the app’s name under the Applications tab for you device in iTunes.
Click Sync (this will uninstall the app on your device).
Recheck the app’s name under the Applications tab.
Click Sync again to reinstall the app.