# VO2 Master Manager vs VO2Max Hiit Workout

The clearest difference is rating: VO2 Master Manager at 4.0 against VO2Max Hiit Workout's 2.0. VO2 Master Manager also leads on ads (none vs shown) and monetization model (free vs ad-supported). VO2Max Hiit Workout's advantage is update cadence (every 10 days vs monthly). On price, in-app purchases, device support and iOS requirement 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 2.0. That said, the two scores are not equally well evidenced: VO2 Master Manager has 9 ratings behind it against 1, so its average is the more settled of the two.

VO2 Master Manager ships an update monthly, VO2Max Hiit Workout every 10 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | VO2 Master Manager | VO2Max Hiit Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (9 ratings)](https://appshunter.io/ios/app/vo2-master-manager/id936519055/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/vo2max-hiit-workout/id6475713309/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | **Free** | Ad-supported |
| Size | 88 MB | 104 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [VO2 MASTER HEALTH SENSORS INC](https://appshunter.io/developer/936519054) | [Unscripted Engineering](https://appshunter.io/developer/1635849108) |

## 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


### VO2Max Hiit Workout

[App page](https://appshunter.io/ios/app/vo2max-hiit-workout/id6475713309)

Boost your aerobic capacity with science-backed HIIT protocols. This app offers precise, customizable interval training sessions designed by athletes. Train longer with optimized battery usage.

**Highlights:** Science-backed HIIT protocols, Customizable workouts, Precise interval timers, Low battery drain, Multiple training types (Norwegian 4x4, Tabata, Wingate)

**Features:** macOS Compatibility

**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 VO2Max Hiit Workout free?

VO2Max Hiit Workout is free to download, with no in-app purchases.

### Which has better reviews, VO2 Master Manager or VO2Max Hiit Workout?

VO2 Master Manager is rated higher. VO2 Master Manager averages 4.0 out of 5 from 9 ratings, while VO2Max Hiit Workout averages 2.0 from 1 ratings.

### Do VO2 Master Manager or VO2Max Hiit Workout have ads?

VO2Max Hiit Workout shows ads; VO2 Master Manager does not.

### Which is updated more often, VO2 Master Manager or VO2Max Hiit Workout?

VO2 Master Manager ships an update monthly, and VO2Max Hiit Workout every 10 days. Most recently, VO2 Master Manager was updated on October 24, 2026 and VO2Max Hiit Workout on October 22, 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.*