A free app for Android, by Hama.
Hama FIT supports most of the smart phones, as long as the phone supports Bluetooth, and can be used with a Bluetooth-enabled heart rate monitor. You can also set a goal for heart rate and steps, which can be monitored and controlled in real-time.
It is a professional application for health tracking, which can monitor the following:
Daily activities and exercise habits (step counting, calorie consumption, etc.) Sleep quality and sleep habits (sleep monitoring, sleep stages, etc.) Heart rate (HR) and daily rhythm (for analyzing heart rate, you can use the same method as for sleep monitoring) Body weight (for analyzing the change in body weight) Blood oxygen saturation (SpO2) Health condition (ECG, HR, blood pressure, etc.) Steps, calories, and exercise intensity (you can set the same goal, i.e. a specific amount of steps and calories)