Preheat oven to 350 degrees F. Grease a 9 inch round pan and cover in parchment paper.
Mix the almond flour, coconut flour, tapioca flour, baking soda, salt, and cinnamon together in a large bowl.
In another large bowl, add the maple syrup, honey, eggs, olive oil, and apple sauce. Whisk.
Pour the dry ingredients into the wet ingredients and mix.
Fold the diced apples into the batter
Pour the batter into the round baking pan. Top with a few slices of apples to decorate the top.
Bake for 35-40 minutes, until the cake is set and golden.