the Fitbit mobile app
# HR Graph
This App displays readings from the Heart Rate sensor and plots them on a graph. The display timeout is turned off while the app is running to keep the display on.
Designed for monitoring Heart Rate focused activities such as interval training.
Can also be used during meditation to occasionally check heart rate with minimal effort.
Display timeout is re-enabled when battery level falls below 20%
For instructions and a full list of features please visit the website: https://fiveappstudio.io/fitbit/hrgraph