7 Must Have Interval Training Apps ...

On iTunes: itunes.apple.com
Sworkit Pro is one of my favorite interval training apps. The exercises are built-in and range from beginner to advanced. It even has yoga and stretching built in. You can customize your workouts or pick from Sworkit workouts. Every exercise is randomized and it tracks your progress. All exercises include videos so you know you're doing them correctly. The pro version is $3.99, but you can try the Lite version for free to see if it's right for you.

On iTunes: itunes.apple.com
Interval timer is highly customizable and ideal for those who already have their own activities in mind. Create your own workouts and set the times you choose. It even includes heart rate monitor support. Make your workout even more fun by assigning music to different intervals to match the intensity of the exercise. The app is free, but to access some features, you'll need to upgrade to pro for $4.99.

On iTunes: itunes.apple.com
For an intense interval workout, try 12 Minute Athlete HIIT Workouts. It features over 150 HIIT workouts. Choose between 12, 16 and custom time segments. It includes both body weight and equipment based workouts. Plus, you can enter your own workouts as well. Step by step instructions and easy to use timers make it great for working out at home or the gym. It's might not be great for beginners, but more experienced HIIT trainees will love it. The app is only $2.99.

On iTunes: itunes.apple.com
7 Minute Workout Pro is perfect for everyone. It's a seven minute interval workout so it's easy to fit in to any busy schedule. Track your activity and listen to fun background music as you exercise. It's perfect for beginners and pros alike. Videos show how to do each exercise. Random mode helps ensure you don't get used to any particular routine. No equipment is necessary for any of these exercises. The pro version is $1.99, but a limited free version is also available.

On iTunes: itunes.apple.com
If you like the Tabata style of interval training, you'll love Tabata Trainer. The 20 seconds of exercise, 10 seconds of rest method incorporates simple exercises into one intense workout. Visual and voice cues help you keep track of what's coming next. You can add in your own routine or use one of the nine pre-loaded routines. You don't need any special equipment. The app's just $1.99 and will have you exercising immediately.

On iTunes: itunes.apple.com
Trim & Tone is perfect for interval training or regular workouts. Every routine takes either five or ten minutes. You can easily restart a session for longer workouts. The app includes 24 different routines along with videos and pictures of each exercise included. Opt for individual exercises, create a custom workout or do the circuit training mode instead. It's simple, but effective. Try it yourself for just $2.99.

On iTunes: itunes.apple.com
Daily Workouts is a collection of Daily Workout apps that target your abs, legs, arms, butt, cardio or full body. The pro version lets you choose from 15 different 5-10 minute workouts along with 10-30 minute full body workouts. Each exercise includes a video and a timer helps you easily go from one exercise to the next. Add in custom routines or use the random routines in the app. The app is $3.99 and you can buy additional workouts from within the app. If you're not sure, try the free version first.

Using these apps helps you vary your workout routine. Doing one exercise for 30 seconds to a minute and instantly switching to another is a great way to lose weight and strengthen your body. Have you ever tried interval training style workouts?