How does this compare to something like MaxRewards[0]? I'd try doing my own due diligence first, but without signing up for an account first, I can't get past

How does this compare to something like MaxRewards[0]? I'd try doing my own due diligence first, but without signing up for an account first, I can't get past the homepage. [0]: https://maxrewards.com https://maxrewards.com