Tourbrassie GmbH is the developer of GC Starnberg which is listed among the Sports category. Over 100 users downloaded and set up the tool and the latest update was on Jun 7, 2018. On Google Play, this application has been rated 3.8 by its users.
You can download the installer of GC Starnberg 1.6 for free and have a look at users' reviews on Droid Informer. The app works fine on Android 4.0 and above. The app is completely secure to download.