Run Tracker - Kiiro
VO2 Max, HR Zones & Endurance
About
This app helps runners understand their training by analyzing data like training load, heart rate zones, and progress. It provides clear insights and warnings to prevent overtraining and ensure effective workouts.
What's New in Run Tracker
1.4.1
July 2, 2026
Kiiro is now available in four additional languages: Japanese, Korean, Italian, and Brazilian Portuguese!
FAQ
Does Run Tracker have ads?
No, Run Tracker is completely ad-free, allowing for an uninterrupted training analysis experience.
What devices is Run Tracker compatible with?
Run Tracker is currently supported on iPhone devices. It syncs automatically with Apple Watch through HealthKit.
How does Run Tracker help prevent overtraining?
Run Tracker analyzes your acute vs. chronic training load, showing weekly and monthly trends. It provides clear warnings before you overdo it, helping you balance effort and recovery.
Can Run Tracker track my progress on specific routes?
Yes, Run Tracker offers automatic route matching, allowing you to compare every run on the same route. It highlights personal records and uses visual charts to show trends over time.
What kind of training zones does Run Tracker monitor?
Run Tracker shows exactly how much time you spend in each heart rate zone, including aerobic vs. anaerobic breakdown. It also tracks zone trends over weeks and months to help you spot polarized training gaps.
What metrics does Run Tracker provide?
Run Tracker offers a comprehensive set of metrics including VO2 max trends, resting heart rate, HRV, cadence, ground contact time, detailed splits, and maps.
How often is Run Tracker updated?
The latest version of Run Tracker is 1.3.2, and it was last updated on May 22, 2026. This indicates a recent update and ongoing development.
What is the age rating for Run Tracker?
Run Tracker has an age rating of 17+, suggesting it contains content or features that may not be suitable for younger audiences.
