[Closed] Smart trainer for mountain bike

I am looking at possible turbo trainers below the £400 mark and would definitely like to use zwift. My concern with using a fluid trainer and speed and cadence sensors is that because these trainers are made for road bikes and I have a lower gearing on my mtb I won't be able to pedal fast enough to get a decent amount of resistance.

If I got a smart interactive trainer that adjusts the resistance according to zwift, would this mean that it would increase the resistance enough to mean I am outputting the same power on my mtb as someone on a road bike would?

Many thanks