Can you take creatine and pre workout together? Yes. Do you need to? That's a different question. Pre workout supplements typically combine caffeine, beta-alanine, and sometimes creatine in a single serving. They're designed to give you an immediate energy and focus boost before training.
Creatine works differently. It builds up in your muscle tissue over time through consistent daily use, it doesn't kick in the moment you take it. The two work through completely separate mechanisms. If your pre workout already contains creatine, check the dose. Most include less than the researched 3g daily amount, often 1g or 2g, meaning you're still not hitting the dose that the EU has approved for increased physical performance.
Taking standalone creatine alongside your pre workout ensures you actually hit that 3g every day, regardless of whether you train or not. Because creatine works through daily accumulation, not just on training days. daisup makes that simple. One effervescent tablet. 3g of creatine monohydrate.