On the long run, CheapCharts can turn out to be a real money saver for iPhone and iPad users who frequently purchase apps, movies, and music from iTunes. Even better, the app itself is completely free to download.
Step 1. The first step is to download CheapCharts on your iPhone, iPad, or iPod Touch.
Step 2. Launch CheapCharts once the app has been downloaded and installed on your device.
Step 3. Now tap the menu icon in the upper left corner of the screen, then tap the search button.
Image - Ally Kazmucha/The App Factor
Step 5. Tap the name of the app in the search results. This will open a detailed view of the app.
Step 6. Tap the 'Add to Wishlist' option in the upper right side.
Step 7. The first time you add an iTunes item to your wishlist, CheapCharts will ask if you want to be notified of price drops. Since that's the purpose of this tutorial, you might want to tap 'Activate'.
There you go, now each time that CheapCharts detects that one of the items in your Wishlist gets a price drop, the app will fire a notification.