BTT not in App Store

I use BBT on an Intel Macbook Pro. I searched BTT in the App store, to see if it's compatible with Apple's new M1 processor, and it does not appear. I just had two questions.
Is BTT compatible with the new M1 processor?
Is BTT no longer available for download?

It's compatible with M1. I downloaded mine directly from this website.

yes, it’s only available via