It's free to download the installation package of Top Matematika, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 4.0 and above. This application is totally safe for downloading. Genta Group Production is the developer of the tool which can be found in the Educational category.
The developer released a new version of Top Matematika on Oct 27, 2015 and over 1K users downloaded and set up the app. Google Play shows that this application is rated 4.6 by its users. There are adverts in the tool.