#1. Facebook: No prizes for guessing that the world's most popular social network would also top the Apple charts as a mobile app.
#2. Angry Birds Lite: The free version (Angry Birds Lite) scored the #2 spot on the list of top free apps in the App store. The paid version (Angry Birds) appears at #2 in the top-grossing iPhone apps and #1 in the top paid apps. Among iPad apps, Angry Birds HD was the fourth favourite paid app, as well as the seventh highest grossing app of 2010. Oh and did we mention Angry Birds Seasons? It seems like everyone has a thing for blowing up pigs.
#3. Words with Friends Free: A Scrabble-like game that lets players challenge friends and strangers. Improve your spelling and word power on the go.
#4. Skype: Skype's mobile app lets users make affordable phone calls, video chats and send instant messages. And with a Wi-Fi connection for free Skype-to-Skype calls, it's never been easier to keep in touch with loved ones in other countries.
#5. Tap Tap Revenge 3: Tap along to popular songs and score points for rhythm and timing. A third installment of this game shows that those fingers can't stop tapping.
#6. The Weather Channel: This app provides detailed local forecasts, extreme weather alerts, current traffic conditions and more so that you won't forget to bring your umbrella.
#7. Paper Toss: Who would've thought that flicking a crumpled-up piece of paper at a trash can could be so mindlessly fun and addictive at the same time?
#8. Bing: Microsoft's mobile search engine features GPS tracking to provide accurate local results.
#9. Rock Band Free: This free version of the popular Rock Band game, just for your fingers. Tap along to your favourite rock hits.
