Apple announced Apple great - best sellers in 2010 of the iPhone and iPad.

Before the end of 2010, Apple announced. "Great app" (App of the Year) and the number four "Top 10 most popular app," as follows.
From the App of the Year 4.

    * IPad App of the Year has been the app Flipboard.
    * IPad Game of the Year Apple to get is a Osmos.
    * IPhone App of the Year has been the app Hipstamatic.
    * IPhone Game of the Year has been the app Plants Vs. Zombies.
Source - Blognone, Business Insider.
The rest are "the most popular app," both free and pay each of six Top 10 Division I excerpted only the top of each category I offline. The full list. Read yourself in the link.

    * Top PAID iPhone Apps Apple has been the Angry Birds.
    * Top FREE iPhone Apps app get is Facebook.
    * Top GROSSING iPhone Apps app get is MLB.com At Bat 2010.
    * Top PAID iPad Apps Apple received the Pages.
    * Top FREE iPad Apps app get the iBooks.
    * Top GROSSING iPad Apps Apple received the Pages.
Source - ฺBlognone, TechCrunch.