# VO2 max Hero vs SwimTracker

The clearest difference is update cadence: VO2 max Hero at every 5 days against SwimTracker's fortnightly. SwimTracker's advantage is iOS requirement (15.0 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VO2 max Hero ships an update every 5 days, SwimTracker fortnightly. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | VO2 max Hero | SwimTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vo2-max-hero-ai-tracker/id6745514867/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 35 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Negovskiy](https://appshunter.io/developer/975106069) | [Julien Rosati](https://appshunter.io/developer/1580606787) |

## What reviewers say

### VO2 max Hero

[App page](https://appshunter.io/ios/app/vo2-max-hero-ai-tracker/id6745514867)

This app analyzes your cardio fitness data from Apple Health using AI to provide personalized insights and actionable tips for improvement. Understand your VO2 max trends, compare yourself to elite levels, and receive tailored advice beyond generic fitness advice.

**Highlights:** AI-driven VO2 max analysis, Personalized fitness insights, Cardio trend tracking, Elite level benchmarks, Actionable improvement tips, Apple Health integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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 Hero free?

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

### Is SwimTracker free?

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

### Do VO2 max Hero or SwimTracker have ads?

Neither VO2 max Hero nor SwimTracker shows ads.

### Which is updated more often, VO2 max Hero or SwimTracker?

VO2 max Hero ships an update every 5 days, and SwimTracker fortnightly. Most recently, VO2 max Hero was updated on October 15, 2026 and SwimTracker on October 9, 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.*