Elliptical machines are wonderful for getting a good workout indoors. In order to get the most out of them, you are going to need a training plan. Elliptical Workout for iPhone can help. It is a fitness app for iPhone with cardio and HIIT workouts. It not only has various preset workouts but also lets you create your own.
This app calculates your heart rate zones and burned calories to help you maximize your workouts. It has a clean user interface with voice, sound, and vibration prompts to help you simply focus on your workout. It works with Apple Watch and heart rate sensors.[where to get it]