Download the free installation package of Etapa 1.7.6 and have a look at users' reviews on Droid Informer. The download of the app doesn't contain viruses or any kind of malware. Etapa Educacional is the creator of this application that is listed among the Tools category.
Etapa was downloaded and set up by over 10K users and the most recent stable release was on Aug 7, 2018. According to the latest information, the app is rated 3.7 on Google Play.