FWIW, this is onsale for $9 right now. I bought two of their other plugs for $9 also, but haven’t installed yet, waiting for Catalina support.
If the dev still posts on here, do you have an ETA for Catalina?
For the price of a what I bought a beer for last night, I’ll give this a shot too, I read a good review and saw some comments On this thread.