Update: During our review of the way Truecaller works, we concluded that the technique used is a huge invasion on privacy (read on). Do not install it if you value the privacy of the acquaintances in your address book.
Ever got a missed call from an unknown number and wondered whom the number belongs to? Perhaps innumerable times. Here’s the solution on Android – Truecaller. Extremely easy to use and does its job perfectly. Works globally. Integrates seamlessly with your call and messages. Ample settings to fine tune. It can also block unwanted calls. Check it out!
On Google Play: Truecaller (link removed)