Tower Collector gives you opportunity to contribute in OpenCellID. Org and Mozilla Location Services projects by uploading GPS locations of GSM/UMTS/LTE/CDMA/TD-SCDMA/5G (NR) cell towers from your area. The measurements help map the extent of mobile phone network coverage. You can use the app to collect data for personal purposes and export them to various files.
The download of this application doesn't contain viruses or any kind of malware. Adam Zamojski is the official developer of the app which can be found in the Tools category. Tower Collector has been rated 4.2 on Google Play.
The developer released a new version of the app on Jan 20, 2019 and over 50K users downloaded and set up this application. You can get the setup package of Tower Collector 1.4.4 free of charge and read users' reviews on Droid Informer.
From the users' point of view, the advantage of the app is a simple interface, but some people mention that the weak point of this application is a battery drain.