Apple scab affects both the leaves and fruit. It could be something else but to tell we'd need more to go on. Here is a link that might be useful: apple scab pictures

A tad difficult to see details. But the brown areas look like a combination of superficial feeding (a long time ago) plus a shortage of water, probably brief and some while ago. In either instance, it's too late to do anything. For the critters, just keep a watch next year and squish when you see them. That said, the amount of critter damage in the images is insignificant for the tree's health.

Paint the trunk with some old latex (white or yellow will do) paint it looks like sun burn to me, which can happen in the winter as well, when the sun is low in the sky. Sorry but I would pull that gravel away from the base of the tree out to the drip line. Rock holds the heat near the roots and reflects even more sun on to the trunk. The tree will thank you. Camp Verde

I just don't ever experience hail damage so can neither confirm or deny......although it seems very strange to me that hail damage would appear along the trunk or the underside (or close to it) of any branches. IMO, it looks more like the beginning of apple anthracnose. But I'd suggest taking these photos and any samples you could manage to your county extension office for both an accurate ID as well as suitable treatment options.