You're not being punished. If it's not a good culture fit and pay for your personal situation, you're right, you don't have to apply.
Women not asking for enough isn't just our experience either. There's research that backs up that women consistently don't ask for as much as men. http://www.theatlantic.com/magazine/archive/2014/05/the-conf...
As for the rates, we acknowledge they're lower than average publicly on our website. However, our folks only work 40 hours per week. We're really diligent about that. So some folks are making more per hour from their last jobs that worked them 60+ hours per week.
It's also worth noting that we're bootstrapped. We don't have investors, which is both a pro and a con. One of the pros is that we have a lot of control over the culture so we make Corgibytes a place that works for the right people. One of the cons is that we don't have a deep pocket of investor money to dip into. We have to go with the market value for what people are willing to pay for our services and that determines what we can pay our staff. It ends up being less, but we try to be upfront about it so there's no surprise.