# SpeedLight Systems vs VO2 Max Trainer

The clearest difference is rating: SpeedLight Systems at 5.0 against VO2 Max Trainer's 4.0. SpeedLight Systems also leads on in-app purchases (none vs 7) and iOS requirement (8.0 vs 18.6). VO2 Max Trainer's advantage is update cadence (weekly vs every 3 months) and ratings volume (4 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. VO2 Max Trainer sells 7 in-app purchases, starting at $1.99 per 7 days. SpeedLight Systems asks for nothing beyond the download.

SpeedLight Systems holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

SpeedLight Systems ships an update every 3 months, VO2 Max Trainer weekly. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SpeedLight Systems | VO2 Max Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/speedlight-systems/id569711858/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/vo2-max-trainer-hiit-zone-2/id6736629740/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 286 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Swift Performance P/L](https://appshunter.io/developer/569711861) | [Kevin Floch](https://appshunter.io/developer/1772752224) |

## What reviewers say

### SpeedLight Systems

[App page](https://appshunter.io/ios/app/speedlight-systems/id569711858)

This application is designed to work with specific hardware for performance tracking. It allows users to connect and utilize the hardware's capabilities for data analysis and insights.

**Highlights:** Hardware integration, Performance data analysis, Insights generation, iPad optimized

**Features:** macOS Compatibility

**In-app purchases:** none


### VO2 Max Trainer

[App page](https://appshunter.io/ios/app/vo2-max-trainer-hiit-zone-2/id6736629740)

Measure, track, and improve your VO2 Max with a variety of fitness tests and personalized training plans. Features include HIIT and Zone 2 workouts, progress tracking, and integration with Apple Watch and HealthKit.

**Highlights:** Measure VO2 Max with 5 fitness tests, HIIT and Zone 2 training, Track progress and compare to leaderboards, Apple Watch integration, HealthKit integration, Training readiness scoring, Fitness age calculation

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VO2_Weekly | $1.99 | per 7 days |
| VO2_Monthly | $1.99 | per month |
| VO2_Annually | $14.99 | per year |
| VO2_Lifetime_Upgrade | $9.99 | one-time |
| VO2_Lifetime_Upgrade2 | $14.99 | one-time |
| VO2_Lifetime | $19.99 | one-time |
| VO2_Lifetime2 | $29.99 | one-time |


## Frequently asked questions

### Is SpeedLight Systems free?

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

### Is VO2 Max Trainer free?

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

### Which has better reviews, SpeedLight Systems or VO2 Max Trainer?

SpeedLight Systems is rated higher. SpeedLight Systems averages 5.0 out of 5 from 1 ratings, while VO2 Max Trainer averages 4.0 from 4 ratings.

### Do SpeedLight Systems or VO2 Max Trainer have ads?

Neither SpeedLight Systems nor VO2 Max Trainer shows ads.

### Which is updated more often, SpeedLight Systems or VO2 Max Trainer?

SpeedLight Systems ships an update every 3 months, and VO2 Max Trainer weekly. Most recently, SpeedLight Systems was updated on October 12, 2026 and VO2 Max Trainer on October 15, 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.*