- You can add a pass in seconds.
- No need to "register" for anything, you don't have to take up a lot of disk space on your phone.
- No need to add another icon to your home screen.
- No more crumpled up scraps of coupons, long expired, jammed into the bottom of your wallet
Passbook is a very simple, lightweight and easy place to keep all those "shopping related" or "event related" things you want to keep, but don't want to have cluttering up your wallet.