RunFit is a an Apple watch app that allows you to display your weekly progress from your running workouts directly on your watch faces. It features a simple and easy to read native design, support many types of complications, automatic data refresh and more.
WatchFit allows you to create custom workouts for a variety of sports and then add them to the Workout app of your Apple Watch. You can also schedule them in the future and the Workout app of the Apple watch will surface them at the appropriate time.