It's secure to download the app. General Solutions Steiner GmbH is the developer of Sonnalp which can be found in the Travel & Local category. Users rated the tool 4.7 on Google Play.
Over 100 users downloaded and set up this application and its most recent release was on Feb 26, 2016. Get the installation package of Sonnalp 0.0.41 that is free of charge and check out users' reviews on Droid Informer. The app is designed for Android 2.3.3 and above.