The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
If you're serious about increasing your strength and muscle, Push-Up Counter can help. Push-Up Counter will help keep track of your repetitions, so you can see how many you've done at the end of a session. 1. Get into the push-up position on the ground. 2. Set your device at chin-level on the ground below you. 3. On each repetition, tap the button with your chin.