# Al Galaxy vs Udaff

The clearest difference is update cadence: Udaff at every 5 days against Al Galaxy's every 4 weeks. Al Galaxy's advantage is iOS requirement (12.0 vs 18.0). 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.

Al Galaxy ships an update every 4 weeks, Udaff every 5 days. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Al Galaxy | Udaff |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 690 MB | 51 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LEARNING TECH INFORMATION TECHNOLOGY CO. L.L.C.](https://appshunter.io/developer/1872906050) | [Andy Khristoforof](https://appshunter.io/developer/1751949334) |

## What reviewers say

### Al Galaxy

[App page](https://appshunter.io/ios/app/al-galaxy/id1626464795)

Embark on a cosmic journey with an alien friend! This game allows young explorers to discover the galaxy, pilot a spaceship, and learn English in an engaging, educational adventure.

**Highlights:** Space adventure exploration, Spaceship gameplay, English language learning, Educational content for children, Interactive galaxy map

**Features:** Vision Pro support

**In-app purchases:** none


### Udaff

[App page](https://appshunter.io/ios/app/udaff/id6748914774)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Al Galaxy free?

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

### Is Udaff free?

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

### Do Al Galaxy or Udaff have ads?

Neither Al Galaxy nor Udaff shows ads.

### Which is updated more often, Al Galaxy or Udaff?

Al Galaxy ships an update every 4 weeks, and Udaff every 5 days. Most recently, Al Galaxy was updated on October 9, 2026 and Udaff on October 13, 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.*