Yes, it’s payware. https://axisandohs.weebly.com/
The demo has all the features but shuts down after ten minutes of running. You can restart it and keep running it for ten minutes at a time until you decide whether you want to buy it.
There’s a Stream Deck plugin on the downloads page. The plug-in and the AAO app communicate over an HTTP server that the app runs in the background. There’s a manual that’s worth reading to figure everything out. The developer provides support in this thread.
I use the Flight Tracker stream deck plug-in for everything except these functions.