I am pretty happy with the pricing model of Auth0. It is very clear for me. Considering our scale, the features that we are using, and additional features that we bought, we still find it great. If you split the costs for the whole year and calculate the number of people you needed to hire, it always comes out to be much lesser than what we would have spent on building our own solution.
One of the most popular comparisons on IT Central Station is Auth0 vs Okta.
One of the users on our site says about Auth0, " It's more efficient than regular session management through a database because I only request profile data when needed."
Another user says about Okta, "We are able to deploy solutions rapidly and also have a better idea on licensing as we can easily see who has access, ...
I agree , on most aspects, they are on par. During my investigations I found Auth0 to have better documentation with case-studies and and easy startup-code snippets. Also RBAC seems to be simpler with Auth0