# Hipoxia vs RetroAchievementsUI

The clearest difference is update cadence: RetroAchievementsUI at every 2 weeks against Hipoxia's every 4 months. Hipoxia's advantage is iOS requirement (12.1 vs 17.0). 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, RetroAchievementsUI every 2 weeks. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Hipoxia | RetroAchievementsUI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (9 ratings)](https://appshunter.io/ios/app/retroachievementsui/id6504225426/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 55.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 63 MB | 3 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [Michael Rosenberg](https://appshunter.io/developer/1632690709) |

## What reviewers say

### Hipoxia

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

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

**In-app purchases:** none


### RetroAchievementsUI

[App page](https://appshunter.io/ios/app/retroachievementsui/id6504225426)

Browse and discover games with achievements. Track your progress and find new challenges to master. This open-source application is built with SwiftUI.

**Highlights:** Browse games with achievements, Discover new games, Track game progress, Open-source, SwiftUI built

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

**In-app purchases:** none


## Frequently asked questions

### Is Hipoxia free?

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

### Is RetroAchievementsUI free?

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

### Do Hipoxia or RetroAchievementsUI have ads?

Neither Hipoxia nor RetroAchievementsUI shows ads.

### Which is updated more often, Hipoxia or RetroAchievementsUI?

Hipoxia ships an update every 4 months, and RetroAchievementsUI every 2 weeks. Most recently, Hipoxia was updated on October 17, 2026 and RetroAchievementsUI on October 20, 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.*