At the onset of covid, my biomechanics professor with the Kinesiology dept gave the class a Dartfish license. I later proceeded to mentor other students through an internship opportunity and grew partial to this system for analyses, particularly gait analysis. While my app email is different from my Apple email, I thought this would be SO great to share my wonderful experience and also to have an opportunity to win back my licensure cost, as I bought this app on my own after graduating! I would absolutely recommend. The 4 stars, rather than 5, is due to the time needed to learn how to use the software. Mobile is way more self-explanatory than the PC version, though! (: