Your iPhone will notify you if there are changes to the applications you have purchased. Is it your best interest to upgrade applications when an update is available? Application Updates are usually bug fixes and introduce new features. Updates are also free to apply their version of the current application. When the iPhone needs to be updated, you will see a red number with a circle in the App Store icon. The number in the red circle is the number of applications that have to be udpate. Not only will you be notified if iPad applications must be updated see the same red circle on iTunes too.

To update your applications on the iPad, follow these instructions:

1) Press the App Store icon to view the applications must be updated.

2) Tap the name of the program to be upgraded. Or, you can update all playing the "Update All".

3) The iPad will ask for your password in iTunes. Sign in with your iPhone will start downloading the updates.  Read More