Apple almost always spirals, just like plum, serviceberry, hawthorn, and flowering pear. Bu, on smaller diameter staves, I literally just ignore it and chop, rather than split out my staves.
Woods that spiral LOVE to warp, and love to twist as they dry, especially. So if you do break it down further in width, Thin it down as well, and restrain it, OR leave it as wide and thick as possible, and be prepared to trim around the twist. Haven't worked with large diameter apple, but it is pretty dense wood, and pretty springy. If you leave it big, seal the rest so it doesn't check where you peeled the bark.
I think there is a pair of billets in each of those apple chunks, but you will