Chop oranges by first slicing off the top and bottom, the slicing along edges to remove rind. Cut into cubes and set aside.
To make citrus syrup, add orange juice, lemon juice, and honey to a saucepan over high heat. Bring to a boil, then reduce to a simmer and cook for 5 minutes or so, until thick.
Cube apples as desired—with skin off or peeled, whichever you prefer. Add to a large bowl, pour citrus syrup on top, and toss to coat. Add chopped oranges and mix well to combine.
Cover bowl or transfer meal prep fruit salad to airtight containers. Store in the fridge for up to 5 days.