# VO2 Max Trainer vs Morphy

The clearest difference is device support: VO2 Max Trainer at 3 against Morphy's 1. VO2 Max Trainer also leads on iOS requirement (18.6 vs 26.2). On price, update cadence, ads and in-app purchases 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 and Morphy sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

VO2 Max Trainer ships an update weekly, Morphy every 2 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | VO2 Max Trainer | Morphy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/vo2-max-trainer-hiit-zone-2/id6736629740/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 286 MB | 15 MB |
| Requires iOS | **18.6** | 26.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Floch](https://appshunter.io/developer/1772752224) | [Sweaty Studio](https://appshunter.io/developer/1831793453) |

## What reviewers say

### 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 |


### Morphy

[App page](https://appshunter.io/ios/app/morphy/id6759597782)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Morphy Pro Monthly | $2.99 | per month |
| Morphy Pro | $8.99 | one-time |


## Frequently asked questions

### Is VO2 Max Trainer free?

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

### Is Morphy free?

Morphy is free to download, with in-app purchases available.

### Do VO2 Max Trainer or Morphy have ads?

Neither VO2 Max Trainer nor Morphy shows ads.

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

VO2 Max Trainer ships an update weekly, and Morphy every 2 weeks. Most recently, VO2 Max Trainer was updated on October 15, 2026 and Morphy on October 11, 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.*