The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Derek Clark:
Walk Tracker is a GPS based tracking app for people who want to keep track of their walking fitness goals. STATS AND MAPS Walk Tracker tracks speed, distance, altitude, and time. It also gives you a map showing where you have been while you are saving a workout. COLOR CODED When viewing saved workouts your route shows up on the map color coded by speed. It shows where you went the fastest (red) and where you were slowest (blue). VOICE SUMMARY Don't want to look at the screen every few minutes? You can have the app tell you updates on your progress either every mile or every five minutes. PAUSE AND RESUME Pause the workout to catch your breath or chat with a friend and then resume when you get back to it. FACEBOOK Share your workout with your friends on Facebook with our easy to use integration. LARGE DISPLAY You can easily see your stats in real time with your current speed being the focal point. VIEW TIME PERIODS See the stats for the last workout, last week, current month, or all time with the touch of a button as well as the ability to choose a specific track. MAP TYPES You can switch between 3 different map types including street, hybrid, and satellite view. UNITS The supports both standard and metric units. Note: Some features only available in the Pro version. Note: Continued use of the GPS will reduce battery life.