Yes – hedgehogs can eat apples but only as a treat on rare occasions. Hedgehogs in general do not need to eat fruits and giving them too much can make them sick as they usually contain a lot of sugar.
Some hedgehogs may not even enjoy the taste of apples.
However if you do give apples to your hedgehog make sure you wash them and remove the core and stem and only give them small bite sizes so they don’t choke on this food.
As mentioned above moderation is key as you don’t want to make your hedgehog get an upset stomach of diarrhea from too much apple.