Here is another compact gadget that helps you monitor the health of your heart. The Welbean Heartscope connects to your iOS device and gives you reading in 20 seconds. You will be able to view physical performance, muscle strength, stress, and the overall wellness of your heart on your mobile device.
To get started, simply connect the device to your phone and put the Heartscope against your lower left chest for 20 seconds. You can use this device to get feedback on your exercises.[where to get it]