The 30 Day - Cardio Challenge is a free iPhone app designed to help you improve your health and fitness through a comprehensive cardio workout plan. With this app, you can experience the ultimate cardio workout, get sweaty, and burn fat.

The program consists of a 30-day exercise plan, where you perform a set number of cardio exercises each day, with rest days included. The intensity of the workout gradually increases over the course of the 30 days, with day 30 presenting a challenging test for anyone.

Featuring 6 workouts and 13 variations of cardio exercises, this app is suitable for both men and women of any age and fitness level. It offers a wide range of exercises to keep you engaged and motivated throughout the program.

Additionally, the app allows you to track your progress and share it with your friends via Facebook, Twitter, and email. This social aspect adds a fun and competitive element to your fitness journey.

If you're looking to target specific areas of your body, the developer also offers other 30-day challenge apps, such as the 30 Day Ab Challenge, 30 Day Firm Butt Challenge, and 30 Day Toned Arms Challenge, among others.

Please note that before starting any exercise program, it's important to seek medical advice to ensure it's suitable for your individual needs and capabilities.

Download the 30 Day - Cardio Challenge app now and take the first step towards a healthier and fitter lifestyle.