It can acquire and display the latest heart rate.
It also supports complications and provides a simple heart rate display.
This is a standalone application.
*** Features ***
* Acquire and display the latest heart rate
* Displays the data of the past 30 heart rate measurements in a graph
* Complication support
* Full HealthKit integration
*** Functions to be supported ***
* Support for a variety of complications
* Notifies you when your heart rate is high
*** Caution ***
Due to the limitation of the OS, the complication will be updated 4 times in an hour.