Number True ID Locator Caller is a free mobile number lookup app available on Android devices. It provides a smart search system that allows users to easily search for any mobile number. With this app, users can identify who's calling them before answering the call, thanks to the Caller ID feature.

The app is also equipped with GPS tracker, maps, and navigation, which can help track the live location of the caller on the map. Moreover, the app shows caller information during incoming and outgoing calls, making it easier for users to decide whether to answer the call or not.

Number True ID Locator Caller also provides other useful functions such as finding STD codes, ISD codes, and details, as well as identifying most unknown incoming calls with caller name. Users can get caller details immediately and search for number provider STD and ISD codes without internet.

Overall, Number True ID Locator Caller is a helpful utility and tool app for Android users who want to track mobile numbers and identify unknown callers.