# VO2 Master Manager vs VO2 Max

The clearest difference is review sentiment: VO2 Master Manager at 67% against VO2 Max's 27%. VO2 Master Manager also leads on in-app purchases (none vs 3) and rating (4.0 vs 3.8). VO2 Max's advantage is update cadence (every 10 days vs every 5 weeks) and ratings volume (127 vs 9). On price, ads and device support there is nothing between them.

Both are free to download. VO2 Max sells 3 in-app purchases, starting at $2.99 per month. VO2 Master Manager asks for nothing beyond the download.

VO2 Master Manager holds the better App Store score, 4.0 against 3.8. That said, the two scores are not equally well evidenced: VO2 Max has 127 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 67% of VO2 Master Manager's written reviews are positive against 27% of VO2 Max's.

VO2 Master Manager ships an update every 5 weeks, VO2 Max every 10 days. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | VO2 Master Manager | VO2 Max |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (9 ratings)](https://appshunter.io/ios/app/vo2-master-manager/id936519055/reviews)** | [3.8 (127 ratings)](https://appshunter.io/ios/app/vo2-max-widget-notifications/id1394840943/reviews) |
| Number of ratings | 9 | **127** |
| Positive reviews | **66.7% of reviews** | 26.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 87 MB | 10 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [VO2 MASTER HEALTH SENSORS INC](https://appshunter.io/developer/936519054) | [Bernhard Hering](https://appshunter.io/developer/327542085) |

## What reviewers say

### VO2 Master Manager

[App page](https://appshunter.io/ios/app/vo2-master-manager/id936519055)

This tool collects and displays performance data including VO2, heart rate, and power. It also monitors speed, cadence, and muscle oxygenation for comprehensive analysis.

**Highlights:** VO2 monitoring, Heart rate tracking, Power data collection, Speed and cadence monitoring, Muscle oxygenation data, Performance analysis

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### VO2 Max

[App page](https://appshunter.io/ios/app/vo2-max-widget-notifications/id1394840943)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $17.99 | per year |
| Lifetime Access | $79.99 | one-time |


## Frequently asked questions

### Is VO2 Master Manager free?

VO2 Master Manager is free to download, with no in-app purchases.

### Is VO2 Max free?

VO2 Max is free to download, with in-app purchases available.

### Which has better reviews, VO2 Master Manager or VO2 Max?

VO2 Master Manager is rated higher. VO2 Master Manager averages 4.0 out of 5 from 9 ratings, while VO2 Max averages 3.8 from 127 ratings.

### Do VO2 Master Manager or VO2 Max have ads?

Neither VO2 Master Manager nor VO2 Max shows ads.

### Which is updated more often, VO2 Master Manager or VO2 Max?

VO2 Master Manager ships an update every 5 weeks, and VO2 Max every 10 days. Most recently, VO2 Master Manager was updated on September 9, 2026 and VO2 Max on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*