Videos:- In major subjects like Medicine, OBGY, Pharmacology, Physiology, Biochemistry are very good in marrow app, even in minor subjects like Ophthalmology, Radiology, Anesthesia, marrow is better when compared to prepladder, but in few subjects like Anatomy, FM, Pediatrics, Psychiatry, Dermatology, prepladder is better. Marrow is very conceptual but lengthy , so if you have time, marrow is better than prepladder.
Question bank – Marrow has better question bank and detailed explanations compared to prepladder, so when you have written notes when , marrow is a good choice.
Tests – Prepladder is better. You can make your own time table. You can give tests anytime, you can watch detailed explanation videos from prime faculties. Marrow also has enough number of tests to practice with detailed written explanations. Both have similar softwares.
Prepladder has rapid revision program which has a very good benifit in the last minute preparations.
The final verdict would be if you have ample of time to prepare go for marrow. For the people of last minute preparations, go for prepladder.