With this tool, you'll know when you need to increase or decrease your workout intensity according to the strain put on your heart, something that any good athlete needs to control in order to stay within their safe limits. Whether you think you need to increase your activity level, or that you're pushing yourself too hard, you just have to open Heart Rate to know for sure.
Even though this app is especially designed to help athletes take their pulse before, during, and after exercising in order to be productive and responsible, it can also be used by anyone who wants to know their heart rate in any situation, including daily activities or at rest. The results of each heart rate taken are automatically saved so you can keep a complete record of your heart rate during any activity. You can use the various tabs to specify under what conditions the results were taken, which will help you know how your heart reacts during specific activities.
The tips that Runtastic provides when taking a heart rate are to make sure your fingers aren't cold, since the circulation tends to be better at a higher temperature. Also, you shouldn't move too much while taking your pulse as the scanner is based on the phone's camera and flash. Even though it's nearly impossible to know the accuracy of the Heart Rate app, it seems to offer pretty reliable results.