# VO2 max Hero vs AltLog

The clearest difference is update cadence: VO2 max Hero at weekly against AltLog's every 2 weeks. VO2 max Hero also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. VO2 max Hero sells 2 in-app purchases, starting at $9.99 per month and AltLog sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

VO2 max Hero ships an update weekly, AltLog every 2 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | VO2 max Hero | AltLog |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 13 MB |
| Requires iOS | 18.4 | **18.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Negovskiy](https://appshunter.io/developer/975106069) | [Ilia Filiaev](https://appshunter.io/developer/1742628366) |

## 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 (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VO2 max Pro, monthly | $9.99 | per month |
| VO2 max Pro, yearly | $39.99 | per year |


### AltLog

[App page](https://appshunter.io/ios/app/altlog-altimeter-and-elevation/id6775907553)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AltLog Pro | $4.99 | one-time |


## Frequently asked questions

### Is VO2 max Hero free?

VO2 max Hero is free to download, with in-app purchases available.

### Is AltLog free?

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

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

Neither VO2 max Hero nor AltLog shows ads.

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

VO2 max Hero ships an update weekly, and AltLog every 2 weeks. Most recently, VO2 max Hero was updated on October 25, 2026 and AltLog on October 28, 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.*