You do not have to pay for JonDoBrowser.
Yes it's based on Tor.
I am still pretty concerned about browser fingerprinting.
There's no use to Tor if your browser can be ID'ed as unique...
If your browser can pass "the test" by giving less than 21 unique identifying pieces of info, I'll try it.
Here's the link to the test:
https://panopticlick.eff.org/I will gladly use a Tor based browser that addresses the issue of browser fingerprinting.