The app is totally safe to download. Roger Rehnelt is the creator of airTool which can be found in the Tools category. This application has been rated 2.7 on Google Play.
The app has been downloaded and installed by over 1K users and the most recent update was released on May 31, 2018. It's free to download the installer of airTool, also, you can check out users' reviews on Droid Informer.