It's secure to download the app. Haufe is the official developer of smARt Haufe which can be found in the Business category. The tool has the average rating 3 on Google Play.
The most recent update was on Sep 25, 2020 and this application was downloaded and set up by over 1K users. You can get the installer of smARt Haufe 2.2.25 for free and take a look at users' reviews on Droid Informer. The app requires Android 5.0 and higher.