App in general

Q17: Sometimes the message "Activity Data Usage" appears on the display. What will my personal activity information be used for?
A17: Your location, heart rate, and other activity information are not disclosed to outside parties or used as any personally identifiable information.
Your activity information is used to analyze your training results and perform calculations for future plans.
If you do not agree to this use, the app will not be able to provide you with all the features for which it is originally designed.