Not sure if they're "the best", but there are sites that claim not to be abusive to restaurants (some do have "apps," but why use an inferior interface to a web

Not sure if they're "the best", but there are sites that claim not to be abusive to restaurants (some do have "apps," but why use an inferior interface to a website?) like chownow, slicelife, 9fold and beyondmenu are (or claim to be) extensions of the point-of-sale systems and only charge monthly fees or credit/debit card processing fees.