Endurance Debrief
Training Analysis
Free · Designed for iPad. Not verified for macOS.
Analyze your rides, runs and swims right on your iPhone or iPad: TSS, fitness & form curve, coach feedback — 100% private, no subscription, no account.
Endurance Debrief answers two questions after every workout: Was that session any good? And how fit am I right now?
Import your rides, runs and swims as FIT, TCX or GPX files — or automatically from Apple Health — and get the analysis usually reserved for big training platforms. Entirely on your iPhone. No account, no subscription, no cloud.
YOUR WORKOUT, HONESTLY ANALYZED
• Training Stress Score (TSS) — from power, pace or heart rate, depending on your data
• Normalized Power, Intensity Factor and aerobic decoupling
• Zone distribution: power, pace or heart-rate zones
• Coach feedback in plain sentences: what your numbers mean — generated fully on device
YOUR FITNESS AT A GLANCE
• Form curve based on the proven CTL/ATL/TSB model: fitness, fatigue, form
• Today view with a simple status: build, recover, or race-ready
• Weekly summary: sessions, TSS and fitness trend for the current week
• Home Screen widget with today's form
• History as a list or calendar, filtered by sport
• VO₂max trend estimated from your workouts
100% PRIVATE
• All calculations run locally on your iPhone
• No cloud, no account, no ads, no tracking
• Privacy label: "Data Not Collected"
FOR CYCLISTS, RUNNERS AND SWIMMERS
• FIT, TCX and GPX files from bike computers and sports watches
• Apple Health import for workouts recorded with Apple Watch
• Manual entries for sessions without a file — your form curve stays complete
• Profile with FTP, threshold pace, LTHR and heart-rate zones
• Fully localized in English and German
• Lock Screen widget: your form at a glance, without opening the app
• Siri and Shortcuts: "What is my form" gets answered right away
Download once, done. No subscription.
Note: VO₂max and form values are training estimates, not medical statements.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
New: see where your form will be tomorrow morning.
• The Today card now shows a second line below the big number: “Form tomorrow”. After every import you immediately see what the day cost you — instead of waiting until the next morning.
• On rest days too: the line shows how recovered you will be tomorrow if you take today off. Handy for deciding whether — and how hard — to train today.
• Fixed: in English, VoiceOver read the effort level in the manual entry screen in German.
The calculations are unchanged — every value stays exactly as before.
The developer, Alexander Eichelbaum, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Alexander Eichelbaum
- Size
- 5.3 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and German
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- Copyright
- © Alexander Eichelbaum
