Cost: First seven days free. $15 a month, $30 for a three-month subscription, and $99 for a one-year subscription.
The workouts on the My Fitness by Jillian Michaels app is completely customizable: you can choose from beginner, intermediate, or advanced, swap exercises, adjust transition times, select available equipment, and play your own music — the Beat Sync adjusts the beat of your music to the pace of your workout. You can also choose workouts in increments of 10, 20, 30, or 45 minutes. It also includes personalized meal plans, daily advice, and you can track your progress.
Image Source: Getty / Emilija Manevska