That's a very refreshing attitude. I had heard of Lunar but was reluctant to try it. Lately my policy has been "the less software the better" precisely because of how predatory most software is.
But not your software, it seems!
Your privacy policy has made me think it would be a good idea to try and probably buy your app if it works for me.
I tried to do the same with my other more complex app as well: https://lunar.fyi/privacy