The 30 Day - Push Up Challenge is a free iPhone app developed by Jozic Productions Pty Ltd. It falls under the Lifestyle category and specifically targets Health & Fitness.

This app offers a comprehensive 30-day exercise plan focused on push-up workouts. Each day, users are assigned a specific number of push-up exercises, with rest days incorporated to ensure proper recovery. The intensity of the workouts gradually increases, and by day 30, users will be put to the test.

With a total of 6 workouts and 15 push-up exercise variations, this app caters to both men and women of all ages and fitness levels. Users can track their progress and share it with friends via Facebook, Twitter, and email.

In addition to the 30 Day - Push Up Challenge, the developer offers a range of other 30-day challenge and fitness apps, including 30 Day Ab Challenge, 30 Day Cardio Challenge, and more.

Please note that it is advisable to seek medical advice before starting any exercise program.