Jealous of S5 heart rate monitor? Your iPhone can already measure your heart rate with these apps - 9to5Mac
![Amazon.com : Dash Bluetooth Heart Rate Monitor Chest Strap & Health Sensor for iPhone or Android. Tracks HR Zones & Calories Burned - Perfect for Running, Cycling & Fitness Activity : Sports Amazon.com : Dash Bluetooth Heart Rate Monitor Chest Strap & Health Sensor for iPhone or Android. Tracks HR Zones & Calories Burned - Perfect for Running, Cycling & Fitness Activity : Sports](https://m.media-amazon.com/images/I/71Ye6Y6Wh0L._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Dash Bluetooth Heart Rate Monitor Chest Strap & Health Sensor for iPhone or Android. Tracks HR Zones & Calories Burned - Perfect for Running, Cycling & Fitness Activity : Sports
![MOTIFIT | App your fitness with our cardio, running, jogging, cycling, walking fitness and workout tracker apps MOTIFIT | App your fitness with our cardio, running, jogging, cycling, walking fitness and workout tracker apps](http://www.motifitapp.com/img/watch_vs_rhythm.jpg)