Do what I did—sign up for the free trial, then cancel before you get billed.
I had it for a few days and ascertained that—no, it’s not worth like $90 CAD/year for notifications that I’ve “entered the catabolic zone four hours into my fast!!🔥” or to be able to join “challenges.”
The free app does what I need it to; clock me in and out on my fasts.