# Hipoxia vs 3,2,1 Launch!

The clearest difference is update cadence: Hipoxia at every 4 months against 3,2,1 Launch!'s every 13 months. Hipoxia also leads on iOS requirement (12.1 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hipoxia ships an update every 4 months, 3,2,1 Launch! every 13 months. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Hipoxia | 3,2,1 Launch! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/321-launch/id6471444553/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Monetization | — | Free |
| Size | 63 MB | 1008 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [NASA](https://appshunter.io/developer/355542146) |

## What reviewers say

### Hipoxia

[App page](https://appshunter.io/ios/app/hipoxia/id1614843108)

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

**In-app purchases:** none


### 3,2,1 Launch!

[App page](https://appshunter.io/ios/app/321-launch/id6471444553)

Experience the journey of a spacecraft from selection to launch. This game features 8 mini-games that educate players on the engineering and processes involved in sending a spacecraft into orbit.

**Highlights:** Rocket and spacecraft matching, Engineering analysis, Spacecraft cleaning, Rocket assembly, Fueling process, Orbit targeting

**In-app purchases:** none


## Frequently asked questions

### Is Hipoxia free?

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

### Is 3,2,1 Launch! free?

3,2,1 Launch! is free to download, with no in-app purchases.

### Do Hipoxia or 3,2,1 Launch! have ads?

Neither Hipoxia nor 3,2,1 Launch! shows ads.

### Which is updated more often, Hipoxia or 3,2,1 Launch!?

Hipoxia ships an update every 4 months, and 3,2,1 Launch! every 13 months. Most recently, Hipoxia was updated on October 1, 2026 and 3,2,1 Launch! 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.*