# Just VO2 Max vs VO2MAX Running Coach

The clearest difference is in-app purchases: Just VO2 Max at none against VO2MAX Running Coach's 2. Just VO2 Max also leads on update cadence (every 6 days vs every 2 months). VO2MAX Running Coach's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. VO2MAX Running Coach sells 2 in-app purchases, starting at $6.99 per month. Just VO2 Max asks for nothing beyond the download.

Just VO2 Max ships an update every 6 days, VO2MAX Running Coach every 2 months. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Just VO2 Max | VO2MAX Running Coach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/just-vo2-max/id6790672784/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 14 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Cuprea s.r.o.](https://appshunter.io/developer/6790557326) | [Vadim Danilov](https://appshunter.io/developer/6798550985) |

## What reviewers say

### Just VO2 Max

[App page](https://appshunter.io/ios/app/just-vo2-max/id6790672784)

Displays your most recent VO2 Max reading from Apple Health directly on your Apple Watch face. It refreshes automatically when new data is available after your workout, keeping your health information private and on your device.

**Highlights:** VO2 Max display, Apple Health integration, Automatic refresh, On-device data storage, Read-only data access

**Features:** Apple Watch app

**In-app purchases:** none


### VO2MAX Running Coach

[App page](https://appshunter.io/ios/app/vo2max-running-coach/id6804630105)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VO₂ Pro Monthly | $6.99 | per month |
| VO₂ Pro Annual | $44.99 | per year |


## Frequently asked questions

### Is Just VO2 Max free?

Just VO2 Max is free to download, with no in-app purchases.

### Is VO2MAX Running Coach free?

VO2MAX Running Coach is free to download, with in-app purchases available.

### Do Just VO2 Max or VO2MAX Running Coach have ads?

Just VO2 Max shows ads; VO2MAX Running Coach does not.

### Which is updated more often, Just VO2 Max or VO2MAX Running Coach?

Just VO2 Max ships an update every 6 days, and VO2MAX Running Coach every 2 months. Most recently, Just VO2 Max was updated on October 31, 2026 and VO2MAX Running Coach on October 29, 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.*