The app has been scanned for viruses and it has been found totally safe. Rrooaarr interactive solutions is the creator of Ulm that refers to the Travel & Local category. The overall score for the tool is 3.6 on Google Play.
This application has been downloaded and installed by over 10K users and the latest update was released on Apr 4, 2016. You are able to get the .apk installer of Ulm 1.8.1 for free and check out users' reviews on Droid Informer. This file size doesn't exceed 6 MB and the app runs flawlessly on Android 3.0 and above.