A calculator app that also lets you make conversions — currencies, metrics, and tips can be calculated with a simple mode swap. And yes, all these features are available straight from your Apple Watch.


Hey, a calculator is always a nifty thing to have! PCalc is a super-advanced scientific calculator for the iPhone and iPad. Its Watch extension gives you a calculator straight on your wrist!


Trying to get your schedule in order but can't figure out where your working hours are leaking out? Maybe try time-tracking. Hours is made to be as quick and easy to use as possible, so you would actually feel motivated to start and stop your times, as opposed to cringing at the idea of opening the app. The Watch extension and complication make it even easier to control and observe your timers.


A neat little utility app, which allows you to unlock your Mac by simply knocking on your iPhone or Apple Watch. Yup, welcome to the future. It costs $6.


Pennies is a pretty cool, fleshed-put, easy-to-use budgeting app, with an Apple Watch extension that makes it even easier to enter your expenses on the fly and before you forget to.