Place the filling ingredients in a large bowl and toss until well combined
Mix together all the topping ingredients except the coconut oil in a separate bowl until combined. Add the coconut oil and press together with a fork until a "crumble" consistency forms.
Lightly grease a baking dish or 4 small ramekins then spoon the apple filling mixture into the prepared dish (or dishes).
Top the apples with the oat mixture and place the dish or ramekins in the air fryer.
Air fry at 325°F for 20-25 minutes until the apples are softened and tender.
Remove and serve warm with vanilla ice cream if desired.
Notes
*The spices can be substituted with an apple pie spice mix if desired.**Gluten-free flour can be swapped for all-purpose flour.