Use APKPure App
Get Cell Towers old version APK for Android
Locate the nearest GSM cell towers around you!
With this app you will know where are the closest cell towers around you. Very useful to figure out why you have bad signal/reception, or why objects around you are glowing in the dark :)
Coverage for Chile is provided by the Government of Chile at their Open Data site.
World coverage provided by OpenCellId (http://www.opencellid.org/)