See if you qualify for free upgrade:
Airy (com.eltima.airy) is a Mac software application that has been discovered and submitted by users of Software.com. The latest version that our users have reported running on their systems is Airy 100. The most popular version of this application used by our users is Airy 5.1.
Default Install Path: /Applications/Airy.app
Minimum OS version: 10.7
Copyright: Copyright (c) Eltima Software 2013. All rights reserved.