# Boost VO2 vs SwimTracker

Boost VO2 and SwimTracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Boost VO2 ships an update every 2 weeks, SwimTracker fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Boost VO2 | SwimTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/boost-vo2-norwegian-4x4/id6748565289/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 38 MB | 35 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Derinbogaz Ventures](https://appshunter.io/developer/1823779408) | [Julien Rosati](https://appshunter.io/developer/1580606787) |

## What reviewers say

### Boost VO2

[App page](https://appshunter.io/ios/app/boost-vo2-norwegian-4x4/id6748565289)

**Features:** macOS Compatibility

**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 Boost VO2 free?

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

### Is SwimTracker free?

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

### Do Boost VO2 or SwimTracker have ads?

Neither Boost VO2 nor SwimTracker shows ads.

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

Boost VO2 ships an update every 2 weeks, and SwimTracker fortnightly. Most recently, Boost VO2 was updated on October 24, 2026 and SwimTracker on October 25, 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.*