Do you get annoying calls? No need to worry this app is here for your rescue. Truecaller as its name reads. Lets you know who is calling, you get to know few details of the caller via this app. Its available for iOS, Android, Blackberry, Symbian(S40 and S60).
We have limited functions when in normal signup. You can get premium, but have to shell out some bucks to have it. You can get free premium account, by downloading/completing tasks given in the app.