1Preheat air fryer to 200Β°C (400Β°F) for 5 minutes.
2In a bowl, mix flour, sugar, baking powder, cinnamon, and salt.
3Add eggs, milk, and vanilla. Mix until smooth batter forms.
4Fold in diced apples.
5Spray the hot air fryer basket with nonstick spray.
6Drop ΒΌ cup portions of batter into the basket, leaving 2 inches (5 cm) space between.
7Cook for 5 minutes. Open, flip, and cook 2 more minutes until golden.
8For glaze: melt butter in a saucepan. Let cool slightly, then whisk in powdered sugar and 1 tablespoon milk to thin.
9Drizzle glaze over fritters and serve.