# SkyPacer vs VO2 Max Tracker

The clearest difference is in-app purchases: SkyPacer at none against VO2 Max Tracker's 6. SkyPacer also leads on iOS requirement (15.0 vs 18.6). VO2 Max Tracker's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. VO2 Max Tracker sells 6 in-app purchases, starting at $4.99 per 7 days. SkyPacer asks for nothing beyond the download.

SkyPacer ships an update every 6 weeks, VO2 Max Tracker every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SkyPacer | VO2 Max Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/vo2-max-tracker-zephyrus/id6450862734/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 24 MB | 17 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Andre Voltmann](https://appshunter.io/developer/1057301647) | [Havard Tryman](https://appshunter.io/developer/1662964293) |

## What reviewers say

### SkyPacer

[App page](https://appshunter.io/ios/app/skypacer-pace-calculator/id1484045401)

This app helps runners and coaches optimize training and race performance. It offers precise pace calculations, VO2max measurement, and detailed race and nutrition planning. Analyze routes, predict times, and track fitness development with a user-friendly interface.

**Highlights:** Precise pace calculations, VO2max and performance analysis, GPX route analysis, Professional race planning, Smart nutrition planning, Export to Excel/Sheets

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

**In-app purchases:** none


### VO2 Max Tracker

[App page](https://appshunter.io/ios/app/vo2-max-tracker-zephyrus/id6450862734)

This app helps you test your cardiovascular fitness using a modified Bruce protocol on a treadmill. It also offers customizable HIIT workouts and tracks your progress with heart rate and calorie data. Data syncs via iCloud across your Apple devices.

**Highlights:** VO2 max cardio fitness tests, Customizable HIIT workouts, Heart rate monitoring (Apple Watch, Bluetooth), Workout history and progress tracking, iCloud data synchronization, Apple Watch HIIT workouts

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $4.99 | per 7 days |
| Pro (Monthly) | $7.99 | per month |
| Pro | $8.99 | per 7 days |
| Pro | $24.99 | per year |
| Pro (Yearly) | $24.99 | per year |
| Pro (Yearly) | $59.99 | per year |


## Frequently asked questions

### Is SkyPacer free?

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

### Is VO2 Max Tracker free?

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

### Do SkyPacer or VO2 Max Tracker have ads?

Neither SkyPacer nor VO2 Max Tracker shows ads.

### Which is updated more often, SkyPacer or VO2 Max Tracker?

SkyPacer ships an update every 6 weeks, and VO2 Max Tracker every 2 weeks. Most recently, SkyPacer was updated on November 3, 2026 and VO2 Max Tracker on November 4, 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.*