Unknown Caller Lookup is an Android app developed by Matmas.

Unknown Caller Lookup first became available on 24 Mar 2013. It is estimated that Unknown Caller Lookup has been downloaded between 50000 and 100000 times from the Play Store.

Unknown Caller Lookup 1.5.0 requires the following permissions:

Allows applications to open network sockets.

Allows an application to read the user's contacts data.

Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.