# VO2 Master Manager vs OpenCap

The clearest difference is rating: OpenCap at 5.0 against VO2 Master Manager's 4.0. VO2 Master Manager's advantage is update cadence (monthly vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpenCap holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 9 and 7 respectively.

VO2 Master Manager ships an update monthly, OpenCap every 4 months. The most recent releases landed on November 1, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | VO2 Master Manager | OpenCap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (9 ratings)](https://appshunter.io/ios/app/vo2-master-manager/id936519055/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/opencap/id1630513242/reviews)** |
| Number of ratings | **9** | 7 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 88 MB | 10 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VO2 MASTER HEALTH SENSORS INC](https://appshunter.io/developer/936519054) | [Model Health, Inc.](https://appshunter.io/developer/1252127888) |

## 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


### OpenCap

[App page](https://appshunter.io/ios/app/opencap/id1630513242)

Capture 3D human movement using your iOS device's videos. This system includes an app for recording, a web interface for data management, and cloud processing for biomechanical analysis.

**Highlights:** 3D human movement measurement, Video capture via iOS app, Web app for data collection, Cloud-based biomechanical analysis, Data visualization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is VO2 Master Manager free?

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

### Is OpenCap free?

OpenCap is free to download, with no in-app purchases.

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

OpenCap is rated higher. VO2 Master Manager averages 4.0 out of 5 from 9 ratings, while OpenCap averages 5.0 from 7 ratings.

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

Neither VO2 Master Manager nor OpenCap shows ads.

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

VO2 Master Manager ships an update monthly, and OpenCap every 4 months. Most recently, VO2 Master Manager was updated on November 1, 2026 and OpenCap on November 14, 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.*