I'm an independant developper and i wanted to share with you one of my Apple Watch apps. Calc & Convert contains 3 mains modules: - A standard calculator - A Tip calculator and bill splitting tool - A unit converter The unit converter is fully customizable, which means that you can choose your favorites units and categories for an easier access to the tools you use the most. The app includes a complication. The iPhone companion app at the moment contains a standard calculator widget that you can add to your notification center. You can take a look on the AppStore here: https://appsto.re/us/kqr6eb.i Thank you!