I am a pro user of both the apps since long. And on an average, I can tell you it will differ 5–10% on either side, ultimately your own views will matter more. I am comparing them in all aspects, on generalized experience and reviews. Videos : I will tell, Marrow have slight upper hand here. In major subjects Medicine, OBGY, Pharmacology, Physiology, Biochemistry are really amazing and have better edge! In minor subjects too, Ophthalmology, Radiology, Anesthesia, Marrow have edge. In few subjects, like Anatomy, FM, Pediatrics, Psychiatry, Dermatology, Prepladder has edge. In subjects I have not mentioned, both are very much identical! But generalized, Marrow is very conceptual but lengthy compared to prepladder. So if you have time, Marrow>Prep. QB : In QB no doubt Marrow is better. be it practice, be it detailed explanations, be it controversies… And believe me, Marrow has 17000 MCQs compare to 13000 of prepladder! Option of custom module provide amazing boost t...