The download of the app is safe and secure. Ars publica Marketing GmbH is the official developer of Rügen-App that can be found in the Travel & Local category. The overall user rating of the tool is 4.3.
This application was downloaded and set up by over 100K users and its latest stable release was on Feb 20, 2019. Huawei and Acer users highly appreciate the app. You can get the installation package of Rügen-App 2.2.6 free of charge and have a look at users' reviews on Droid Informer.