# VO2 STUDIO vs RunFit

The clearest difference is price: VO2 STUDIO at Free against RunFit's $2.99. VO2 STUDIO also leads on iOS requirement (15.0 vs 17.0). RunFit's advantage is update cadence (fortnightly vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

VO2 STUDIO is free to download; RunFit costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VO2 STUDIO ships an update every 3 months, RunFit fortnightly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | VO2 STUDIO | RunFit |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[4.9 (13 ratings)](https://appshunter.io/ios/app/runfit-running-complications/id1530993082/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Paid |
| Size | 210 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [VO2 TRAINING SA](https://appshunter.io/developer/1648270657) | [Mathieu Savaria](https://appshunter.io/developer/1530993084) |

## What reviewers say

### VO2 STUDIO

[App page](https://appshunter.io/ios/app/vo2-studio/id1237176267)

**Features:** macOS Compatibility

**In-app purchases:** none


### RunFit

[App page](https://appshunter.io/ios/app/runfit-running-complications/id1530993082)

Track your weekly running and walking progress directly on your Apple Watch face. Monitor distance, running time, and quality time with automatic data refresh and iCloud syncing. Get insights into your training trends and receive notifications to help you maintain your pace.

**Highlights:** Weekly progress tracking (distance, time, quality time), Apple Watch face complications, Automatic data refresh, Weekly trends and history, Quality time calculation, Workout app integration via Health app, Privacy-focused, no server data

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is VO2 STUDIO free?

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

### Is RunFit free?

RunFit costs $2.99, with no in-app purchases.

### Do VO2 STUDIO or RunFit have ads?

Neither VO2 STUDIO nor RunFit shows ads.

### Which is updated more often, VO2 STUDIO or RunFit?

VO2 STUDIO ships an update every 3 months, and RunFit fortnightly. Most recently, VO2 STUDIO was updated on October 7, 2026 and RunFit on October 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.*