I was thinking the same thing, but iCloud accounts can't be shared very easily/well between devices. I spent a bunch of time researching, but ended up shelling

I was thinking the same thing, but iCloud accounts can't be shared very easily/well between devices. I spent a bunch of time researching, but ended up shelling out for Dropbox Pro and Carousel on our multiple phones. Then I use selective sync to not fill our laptops with the full-res photos.