The iPhone one of the leading smartphones in the mobile market, has behind many applications that allow users to do many interesting things to squeeze the phone to the fullest.

Then select the 20 that have been the best of 2010.

1. Instagram
2. Chase Mobile
3. By Amazon Price Check
4. Find My iPhone
5. Google Voice
6. Twitter
7. Dropbox
8. SpringPad
9. Foursquare
10. Skyfire Web Browser
11. Kindle
12. Word Lens
13. Groupon
14. Hashable
15. Netflix
16. Hulu
17. Radio TuneIn
18. Rhapsody
19. TextPics
20. Angry Birds