The European Commission crowd-sourcing project is designed to gather and share radio spectrum data about mobile telephony coverage, WIFI channel occupancy, broadband and net neutrality.
It's secure to download Smart Radio Monitor. European Union is the official developer of this application which can be found in the Tools category. Users rated the app 3.6 on Google Play.
The developer rolled out a new version of this application on Aug 8, 2016 and over 1K users downloaded and installed Smart Radio Monitor. Use the opportunity to get the setup package of Smart Radio Monitor 3.0.1 free of charge and have a look at users' reviews on Droid Informer. The app is built for Android 4.2 and higher.