Apple Snicker Salad

1 (3.4 ounce) package instant butterscotch pudding mix

1 cup milk

1 (6 ounce) package whipped cream topping (such as Cool Whip®)

6 chocolate-coated caramel-peanut nougat candy bars (such as Snickers®)

cut into bite-size pieces

3 Granny Smith apples - peeled

cored

and cut into bite-size pieces