I use Strike to dollar cost average buying BTC. It works well. I have 3/4 of my strike direct deposit auto buy right when the money arrives and 1/4 I manually buy when I see a mini-dip. It has worked well except that they stopped direct deposit for a bit while switching to running their own system and that was during the recent low.
I also use Fold. I've liked it and done well, but I don't bring in nearly as much now as I used to. I think it is still probably worth doing, but I'm not as excited about it as I was. I wish they'd quit paying out big for a few people and make everyone make a little more. They brag about paying out whole bitcoins, but that just means we get squat. I've bought a $500 gift card and earned triple spins (150) and earned barely over 1000 sats.