Many people would never have exposure to trading in the markets if it weren’t for these apps. It’s a double-edged sword but it’s a net positive to society IMO.
Interactive Brokers may allow to opt out of PFOF (both stocks and options) but only if you are a high net worth individual with like +1M in assets:
https://www.interactivebrokers.com/en/home.php
There is a mobile app that that would allow trading PFOF-free (both stock and options) but still in a pre-launch waiting list stage: