Thinly slice apple into 1/8-inch-thick slices with a knife or preferably on a mandoline. Toss the apple slices with 1/2 teaspoon ground cinnamon and 1/4 teaspoon ground nutmeg.
Preheat an Instant Vortex Plus 7-in-1 Air Fryer Oven to 365ºF and set for 14 minutes. Coat the air fryer basket with cooking spray. Place an single layer of apple slices into basket and spray with cooking spray. Air fry until golden-brown, rotating the trays halfway through to help keep the apples flat, about 7 minutes total. Let the chips cool completely to crisp. Repeat with air frying the remaining apple slices.