# VO2 Master Manager vs CardioCoach

The clearest difference is rating: VO2 Master Manager at 4.0 against CardioCoach's 2.9. VO2 Master Manager also leads on review sentiment (67% vs 40%). On price, ratings volume, update cadence and ads there is nothing between them.

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

VO2 Master Manager holds the better App Store score, 4.0 against 2.9. Both are backed by a comparable volume of ratings — 9 and 10 respectively. Written reviews point the same way: 67% of VO2 Master Manager's written reviews are positive against 40% of CardioCoach's.

VO2 Master Manager ships an update every 5 weeks, CardioCoach every 2 months. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | VO2 Master Manager | CardioCoach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (9 ratings)](https://appshunter.io/ios/app/vo2-master-manager/id936519055/reviews)** | [2.9 (10 ratings)](https://appshunter.io/ios/app/cardiocoach/id1054133646/reviews) |
| Number of ratings | 9 | **10** |
| Positive reviews | **66.7% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 87 MB | 53 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VO2 MASTER HEALTH SENSORS INC](https://appshunter.io/developer/936519054) | [KORR Medical Technologies, Inc](https://appshunter.io/developer/1054133645) |

## 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


### CardioCoach

[App page](https://appshunter.io/ios/app/cardiocoach/id1054133646)

This app accurately calculates calories burned during and after workouts, distinguishing between fat and carbohydrate expenditure. It integrates VO2 Max data and allows for pre-designed or custom workout creation. Compatible with popular wearables and the Health app, it offers personalized plans for progress monitoring.

**Highlights:** Accurate calorie burn calculation, Distinguish fat vs. carb burn, VO2 Max data integration, Pre-designed and custom workouts, Health app integration, Wearable device compatibility, Personalized progress monitoring

**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 CardioCoach free?

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

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

VO2 Master Manager is rated higher. VO2 Master Manager averages 4.0 out of 5 from 9 ratings, while CardioCoach averages 2.9 from 10 ratings.

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

Neither VO2 Master Manager nor CardioCoach shows ads.

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

VO2 Master Manager ships an update every 5 weeks, and CardioCoach every 2 months. Most recently, VO2 Master Manager was updated on September 9, 2026 and CardioCoach on September 10, 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.*