Ninja Crispi Microwave and Air Fryer $450 Shop Ninja's latest and greatest today. Buy NowWhat is the Ninja Crispi Microwave Air Fryer? With the Crispi Microwave, Ninja finally settled the “do I need a microwave or an air fryer” debate. It features 14 total functions, including eight microwave presets (popcorn, potato, defrost, beverage, soup, frozen dinner, frozen vegetable, soften butter) and five air fry presets (max crisp, crisp, air roast, air bake and air broil) plus the FusionCrisp function. Below, check out a full breakdown of my favorite features of the Ninja Crispi Microwave Air Fryer.