Trackuility is an app for those who use pacing to manage their ME/CFS. The app provides a clear overview of various activity metrics and helps users understand their limits and how activity affects their health.

Track
· Get an overview of your activity level and how close you are to reaching your limits for different time intervals.
· Set your own limits and choose if you want notifications when these are exceeded.
· Experiment with different threshold values and see what works best for you.

Calendar

· See how many times you went over your limits on any previous day.

· Get a clear view of which thresholds are most appropriate for your current energy levels and identify activities to moderate.
· Register symptoms and personal notes for any day, allowing you to document and reflect on your health and activities over time.


PEM reports
· Get an overview of your crashes and see connections to your health data by generating PEM reports.
· See detailed health information about the days before your PEM and try to find what caused it.

Trackuility measures 11 different activity metrics within several different time intervals.

Metrics:
· Average heart rate
· Average walking speed
· Total number of steps
· Total walking distance
· Total time standing
· Total energy expenditure from activity
· Average environmental audio
· Average headphone audio
· Average stair descent speed
· Average stair ascent speed
· Total number of stairs

Intervals:
· Last measured (most recently recorded heart rate and walking speed)
· Last 15 minutes
· Last hour
· Today
· Last 3 days

This application is integrated with the Apple Health app via HealthKit.