It's safe to download the app. Moritz Moser is the official developer of Pegelstand NÖ Basic which can be found in the Weather category. The tool has been downloaded and set up by over 1K users and the most recent release is dated Sep 30, 2015.
According to the latest information, this application is rated 4.4 on Google Play. Use the opportunity to get the installation package of Pegelstand NÖ Basic 2.2 for free and have a look at users' reviews on Droid Informer. The app is designed for Android 2.3.3 and higher.