It's secure to download the app. Argus-M is the official developer of Топ-100 which can be found in the Educational category. The tool was rated 4.7 on Google Play.
Over 100 users downloaded and installed this application and its latest release was on Oct 10, 2016. Download the free installer of Топ-100 1.2.6 and read users' reviews on Droid Informer. The app runs on Android devices 4.0.3 and higher.