This download is completely safe. Gianpietro Scalia developed Calcola Spallinata that falls into the Productivity category. The tool has been rated 3.6 on Google Play.
Over 1K users downloaded and installed this application and its most recent update was on Dec 8, 2015. It's free of charge to download the installer of Calcola Spallinata, also, you can have a look at users' reviews on Droid Informer. The app works fine on Android 1.6 and higher.