Preheat the air fryer to 375°F (190°C)
Peel the apples and cut them into fry-shaped slices
In one bowl place the flour
In a second bowl whisk eggs with vanilla extract
In a third bowl mix breadcrumbs, cinnamon, and sugar
Dip apple slices first into flour
Coat them in the egg mixture
Roll them in the cinnamon breadcrumb mixture
Place coated apple fries in the air fryer basket in a single layer
Lightly spray with cooking spray
Air fry until golden and crispy
Shake the basket halfway through cooking
Remove and sprinkle with extra cinnamon sugar if desired