Data sources
From OpenCellID wiki
This page lists a number of smartphone apps that allow to contribute GSM cell tower measurements to the OpenCellID database.
Android smartphone apps
The following Smartphone mapping apps complement the Keypad-Mapper 4:
| Name | Screenshot | Description | Download | Comment |
|---|---|---|---|---|
| in in OpenCellID | 
|
mapping of house numbers by defining the exact position of the house number tag with the help of an integrated map | play | xx |
