# Whizz vs Altair Gym

The clearest difference is in-app purchases: Altair Gym at none against Whizz's 2. Altair Gym also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Whizz sells 2 in-app purchases, starting at $3.99 per month. Altair Gym asks for nothing beyond the download.

Whizz ships an update every 9 days, Altair Gym fortnightly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Whizz | Altair Gym |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/whizz/id6497229656/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OptimaSport](https://appshunter.io/developer/1741307739) | [Manitas Bahri](https://appshunter.io/developer/1782402491) |

## What reviewers say

### Whizz

[App page](https://appshunter.io/ios/app/whizz/id6497229656)

This app provides personalized indoor cardio training plans generated by AI. It tracks your performance with detailed statistics, offers global challenges, and supports various cardio machines for weight loss, fitness improvement, or competition preparation.

**Highlights:** AI-generated personalized training plans, Supports various cardio machines, Calculates fitness indicators (VO₂max, BMI), Tracks session progress and statistics, Global community challenges and rankings, Instant access to training history

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Yearly subscription | $29.90 | per year |


### Altair Gym

[App page](https://appshunter.io/ios/app/altair-gym/id6738797742)

**In-app purchases:** none


## Frequently asked questions

### Is Whizz free?

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

### Is Altair Gym free?

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

### Do Whizz or Altair Gym have ads?

Neither Whizz nor Altair Gym shows ads.

### Which is updated more often, Whizz or Altair Gym?

Whizz ships an update every 9 days, and Altair Gym fortnightly. Most recently, Whizz was updated on October 30, 2026 and Altair Gym on October 30, 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.*