Do you have a lot of contacts on your BlackBerry? Then Xobni is a must-have app for your BlackBerry. The app takes all of your contacts, makes them easy to search and prioritizes your contacts based on who you contact the most. The app works best when you combine it with the desktop version of Xobni for Windows Outlook. This gives you access to 10x the contacts from your BlackBerry and Outlook. Be sure to check out the store link and read more about all the cool contact management features this app has.
For more information about Xobni, see this store link. The app is currently on sale for $1.49 (25% off).