The security report shows that the app is safe. Dinantia is the developer of Dinantia that refers to the Educational category. Users rated the tool 4.4 on Google Play.
This application was downloaded and set up by over 100K users and the most recent stable release was on Aug 17, 2019. Download the latest .apk file of Dinantia 2.0.17 free of charge and have a look at users' reviews on Droid Informer. You will need 11 MB of free disk space to set up the app.