# VO2 Max vs SwimTracker

The clearest difference is in-app purchases: SwimTracker at none against VO2 Max's 3. SwimTracker also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

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

VO2 Max ships an update every 10 days, SwimTracker fortnightly. The most recent releases landed on September 30, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | VO2 Max | SwimTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (127 ratings)](https://appshunter.io/ios/app/vo2-max-widget-notifications/id1394840943/reviews)** | — |
| Number of ratings | **127** | — |
| Positive reviews | 26.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 35 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bernhard Hering](https://appshunter.io/developer/327542085) | [Julien Rosati](https://appshunter.io/developer/1580606787) |

## 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 | $17.99 | per year |
| Lifetime Access | $79.99 | one-time |


### SwimTracker

[App page](https://appshunter.io/ios/app/swimtracker/id6776403639)

**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 SwimTracker free?

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

### Do VO2 Max or SwimTracker have ads?

Neither VO2 Max nor SwimTracker shows ads.

### Which is updated more often, VO2 Max or SwimTracker?

VO2 Max ships an update every 10 days, and SwimTracker fortnightly. Most recently, VO2 Max was updated on September 30, 2026 and SwimTracker on September 23, 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.*