Stick To Your Budget
Yes, your $300 Apple Watch can help you stick to a budget and save money. With the Mint service you can see how much fun money you have to spend at a glance so you don't break your budget.
You can also review the rest of your budget amounts from your wrist. You'll still need the full app to manage your money, but this way you can get a fast look at the categories that matter to you.
While you're at it, check out the best budget apps to stick to your budget.