It's free to get the installer of Conhecimentos Específicos, also, you can check out users' reviews on Droid Informer. The app works fine on Android 5.1 and higher. It's secure to download this application. Voe Piloto is the creator of the tool that is included in the Educational category.
Conhecimentos Específicos was downloaded and set up by over 100K users and the latest stable release was on Oct 19, 2020. On Google Play, the app is rated 3.8 by its users.