It's secure to download the app. Books 2 AR is the official developer of STARKEY AR that can be found in the Medical tools category. Over 1K users downloaded and set up the tool and its latest release was on Jun 1, 2017.
According to the latest information, this application is rated 4.2 on Google Play. Get the installation package of STARKEY AR 3.0.1 that is provided for free and take a look at users' reviews on Droid Informer. The app is built for Android 4.2 and higher.