As it has faster processors, larger storage, and all-around bigger computing power. Many of us keep our main photo library on our Macs.
But, editing your photos on your iPhone is one thing, and editing them on your Mac is on another level. When you use new software much of the time is used in learning it or spending a lot of money on it. And most importantly, you want to make that happen without having to spend a lot of time. When you click pictures you want your photos to look their best.
