They are neither, Max.
They might be more expensive than PlusNet, but they do get better reviews if the comparison function on this site is to be believed.
Let's just stay I stay with them, because I can't assure myself that I could get the same service elsewhere without a significant increase in price.
A&A and Uno I suspect are better, but cannot offer unlimited in the case of A&A and Uno cannot offer FTTC at the same price point for theitr standard service. Their Duo product is very competitive pricewise, but I'm not willing to take the rsik on a product with a 20 Mb/s assured rate.
YMMV of course.