
Quality Days
Marathon plans, matched
About
This app automatically tracks your runs against a chosen training plan, syncing data from Apple Health. It visualizes your progress, fitness, and fatigue, offering insights into your performance and pace.
What's New in Quality Days
1.3.9
September 29, 2026
Signing in with Apple, Google or email now keeps the runs and plan already on your phone under one account. Settings no longer says you are signed in when you are not. Small fixes and improvements.
MoreFAQ
What is Quality Days?
Quality Days is a Health & Fitness app that automatically tracks your runs against a chosen training plan, syncing data from Apple Health. It visualizes your progress, fitness, and fatigue, offering insights into your performance and pace.
Does Quality Days have ads?
No, Quality Days does not contain advertisements. It is a completely ad-free experience for users.
What devices does Quality Days support?
Quality Days is available on iPhone and iPod devices.
How accurate is the fitness and freshness tracking in Quality Days?
The app calculates training load based on your watch's recorded power, or pace/heart rate if power is unavailable. Fitness is based on six weeks of load, and fatigue on one week, with freshness being the gap between them.
Can I use Quality Days offline?
While runs sync from Apple Health, the app's core functionality of displaying plans and tracking progress is available offline once data is synced. However, new plan creation or publishing may require an internet connection.
How often is Quality Days updated?
The latest version is 1.3.9, last updated on September 29, 2026. Updates typically address bug fixes and feature enhancements to improve user experience.
What are the benefits of creating an account in Quality Days?
Creating an account is optional but allows you to keep your training plan and runs synced across multiple phones. It also enables you to publish your own training plans for other runners.
What age rating does Quality Days have?
Quality Days has an age rating of 4+, making it suitable for a wide range of users.







