I like that it's easy to use, has great customer service support if needed (which we've never had), offers many different types of programs/classes from cardio kickboxing through yoga; also allows you as an instructor or student flexibility in scheduling your class(s).
It doesn't have any features yet but they are working hard at getting them up soon! Pricing seems high compared other similar products out there so try before buying - see what works best fit into their business model vs yours? We're trying wudup because our members love how much variety this gives us over time versus sticking mostly within one program type such as HIIT training which may not be appropriate all year long depending upon weather conditions etc., plus having something new each week keeps things fresh & fun!! Also helps build community among my clients who attend regularly since everyone knows about upcoming events via social media posts by me too. Plus now can keep track.