Apple ipod

What are your favorite iPhone paid applications?

In your opinion, what are the best App Store "paid" applications? If you have a jailbroken iPhone: What applications are your favorites or themes from Cydia / ice / Installous. Best answerer gets 10 points.

These are some Cool iPhone applications here: Top 10 iPhone Apps New: http://hubpages.com/hub/Top-10-New-iPhone-Apps My favorite is # 4.

Top 10 JailBroken Cydia IPod Touch/IPhone Themes