# VO2 Max vs MisiFit 50+

The clearest difference is in-app purchases: MisiFit 50+ at none against VO2 Max's 3. MisiFit 50+ also leads on update cadence (every 3 days vs every 10 days). VO2 Max's advantage is device support (3 vs 1) and iOS requirement (18.0 vs 26.5). On price and ads there is nothing between them.

Both are free to download. VO2 Max sells 3 in-app purchases, starting at $2.99 per month. MisiFit 50+ asks for nothing beyond the download.

VO2 Max ships an update every 10 days, MisiFit 50+ every 3 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | VO2 Max | MisiFit 50+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (129 ratings)](https://appshunter.io/ios/app/vo2-max-widget-notifications/id1394840943/reviews)** | — |
| Number of ratings | **129** | — |
| Positive reviews | 26.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 4 MB |
| Requires iOS | **18.0** | 26.5 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bernhard Hering](https://appshunter.io/developer/327542085) | [matthieu misiraca](https://appshunter.io/developer/6775826571) |

## What reviewers say

### 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 | $22.99 | per year |
| Lifetime Access | $79.99 | one-time |


### MisiFit 50+

[App page](https://appshunter.io/ios/app/misifit-50-plus/id6785307350)

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

**In-app purchases:** none


## Frequently asked questions

### Is VO2 Max free?

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

### Is MisiFit 50+ free?

MisiFit 50+ is free to download, with no in-app purchases.

### Do VO2 Max or MisiFit 50+ have ads?

Neither VO2 Max nor MisiFit 50+ shows ads.

### Which is updated more often, VO2 Max or MisiFit 50+?

VO2 Max ships an update every 10 days, and MisiFit 50+ every 3 days. Most recently, VO2 Max was updated on October 16, 2026 and MisiFit 50+ on October 5, 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.*