Many folks use their iOS or Android devices to help them stay on track with their workouts. They also use a heart rate monitor and an app to push their body the proper way. The Fitmitter happens to be a heart rate monitor that attaches to the GOW sports shirt and bra to track your heart rate. It is waterproof to 10 meters and has a battery life of 15 months. The companion app provides you with live tracking, audio cues, and more.
The system has an online portal you can use to analyze your performances and create and customize training plans. The heart rate monitor is quite lightweight and does not take away from your workouts. It is available for just under $70 at the time of this writing.[where to get it]