I thought combank was probably more difficult, and conquest less difficult then the comlex. Combank has a lot of wtf highly specific low yield questions, while I felt comquest was for the most part more straight forward. I think combank would be better for the wtf questions that are on the comlex while comquest is a better overall qbank. Both interfaces and ability to manipulate test types (ex doing only missed questions or reviewing only marked questions) are way behind uworld. I would say overall for any DO student out there, neither of these banks should be done instead of uworld, only with or after you have completed uworld. It was one of my main sources, and there were soooo many questions I would have missed on comlex without it. The other banks do not come close in there explanations, it is kind of depressing. I have said it on another thread, but if I would have just done comlex specific questions for comlex I would have been shredded to pieces by the 3rd block.
The order I would do Qbanks is usmlerx then uworld, then comquest, then combank if there is any time left.
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