The official line is 'you can't prepare for the UKCAT' and the more I learn the more I think it may be true. I took it a few years back with literally zero preparation and got 700. This year I prepared for 60-100 hours and got a 760. Likely close enough to be explained by test day variance and several more years of reading / doing maths / working. Several people on here have psyched themselves out with too much prep and have done better on their first cold mock than on the real thing! If there was a great prep resource that adequately mirrored the format and difficulty of the real thing I may reconsider.