It's safe to download the tool. JSSC Systems is the developer of this application that can be found in the Maps & Navigation category. Google Play shows that the app is rated 3.7 by its users.
The most recent update of the tool was released on Mar 9, 2016 and Calcula Encomenda was downloaded by over 100 users. There are advertisements in this application. You can get the installer of Calcula Encomenda 0.0.2 for free and have a look at users' reviews on Droid Informer. The app requires Android 4.0 and above.