Genius for Apps is a great way to discover apps in the App Store on your iPhone or iPod touch. Genius for Apps will recommend apps similar or related to apps you have downloaded.
To use Genius for Apps on you iPhone (or iPod touch), you need to turn it on.
On your iPhone, open the App Store. Tap the Featured icon (at the bottom right of the screen). Then, tap the Genius tab (at the top right of the screen).
Next, tap the "Turn on Genius for Apps" button. You will be asked to agree to the terms and conditions. Please note: Genius for Apps uses your App Store download history along with info from lots of other Genius for apps users to give you the best app suggestions. So, when you start using Genius for Apps, your info is used (anonymously) to help others get the best app recommendations, too.
Now that you've turned it on, whenever you visit the Genius tab in the App Store on your iPhone, you'll see a list of app suggestions.
Have fun discovering new apps!