VO2 Max: Widget Notifications

VO2 Max: Widget Notifications

VO2 Max Performance Insights

123 ratings
85 reviews
$1.99 Free
In-App Purchases

Price history


Details

  • Released
  • Updated

Features

VO2 Max: Widget Notifications screenshot #1 for iPhone
VO2 Max: Widget Notifications screenshot #2 for iPhone
VO2 Max: Widget Notifications screenshot #3 for iPhone
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About

Track your body's oxygen absorption at peak effort with detailed insights and performance estimates for running and cycling. Visualize trends, compare personal bests, and understand your cardio fitness level with a redesigned dashboard and Apple Watch integration.

VO2 max estimation for running and cycling
Performance estimates (W/kg, FTP)
Redesigned dashboard with trends and personal bests
Interactive charts with customizable date ranges
Apple Watch complications and iPhone widgets
Cardio fitness level comparison by age and sex
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What's New in VO2 Max

2.8.12

July 15, 2026

New in this version: - Your VO₂ max now includes a clear interpretation, so it is easier to understand what your score means. - The iPhone dashboard has been refined with clearer trends, ranges and progress context. - The Apple Watch dashboard has been polished for faster reading during training.

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Subscription plans

Yearly Subscription

Use all app features without limits.

$17.991 Year
Price Updates
July 11, 2026$17.99
January 31, 2026$4.99
December 17, 2025$3.99
How to cancel VO2 Max subscription ⁉️
7

In-App Purchases

$79.99

Lifetime Access

Use all app features without limits.

User reviews

Getting better

Love the new update with the Cooper test, but for the developer: the moment one enters a number into the Cooper test field, the app becomes unusable because you can’t leave the page anymore. Whoops.

Response from developer

Thanks for the feedback, you’re absolutely right. We fixed the issue where the keyboard could trap you on the Cooper test screen, and the fix will be in the next update.

Good app

Nice app. Thanks for fixing the purchase for existing customers

VO2 APP

After the resolution of a problem I am now happy with the app and have used it for a number of years.

Another purchase fee??? Update

Update: the developer contacted me, apologized for the situation, and honored my original purchase. I was really surprised to hear back from him so quickly and I appreciate his response. The app is fully functional and I’m able to access everything as before. So 5 stars for the app and customer support.
Bought the app before it became a subscription service. Now developer wants more money for a “lifetime” subscription. Option to prove you paid before doesn’t work.
Is it worth another $7?
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Response from developer

Sorry, I made a mistake when migrating existing customers. Could you please send me an email at info@bernhardhering.de? Best, Bernhard

Very useful app with great customer support

I started using the app a few months ago and found it very informative from day 1. During a recent data migration I lost access and was asked to pay again for the app. I contacted the developer and he honored my original purchase - so I’m back to tracking my VO2.

Developer apps

FAQ

What is VO2 max and how does this app measure it?

VO2 max represents the maximum amount of oxygen your body can absorb and utilize during peak physical exertion. This app estimates your VO2 max by utilizing data from outdoor walks or runs tracked with continuous heart-rate monitoring for at least 20 minutes, with the Workout app running and GPS enabled on your Apple Watch.

What kind of performance estimates does the app provide?

The app provides estimates for running and cycling by converting your VO2 max and weight into W/kg and FTP (Functional Threshold Power) values. It also allows you to compare modeled race times and power outputs against your actual HealthKit FTP or power meter data.

Is this app free to use?

The app offers a free version with in-app purchases for advanced features and full access. A trial countdown is available, and subscription access is clearly indicated within the app.

What are the compatibility requirements for this app?

To use this app, you will need an Apple Watch Series 3 or later. The app also requires access to your HealthKit data via the Health app on your iPhone to display VO2 max, widgets, and complications.

How can I see if my cardio fitness plan is working?

The app's redesigned dashboard provides immediate insights into how your training affects your cardio fitness. You can view your latest measurement, rolling averages, and personal bests, along with trend cards highlighting 7-day averages and selected date ranges to track progress over time.