# UFO Catch Sorting vs Orbit defenders

The clearest difference is update cadence: Orbit defenders at every 3 weeks against UFO Catch Sorting's every 21 months. 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.

UFO Catch Sorting ships an update every 21 months, Orbit defenders every 3 weeks. Both last shipped on September 9, 2026.

## The numbers

| Metric | UFO Catch Sorting | Orbit defenders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/orbit-defenders/id1519670204/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 194 MB | 78 MB |
| Requires iOS | 11.0 | **10.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [New Story Inc. (Apps)](https://appshunter.io/developer/1468607831) | [Nezam Ansari](https://appshunter.io/developer/1622381137) |

## What reviewers say

### UFO Catch Sorting

[App page](https://appshunter.io/ios/app/ufo-catch-sorting/id1509002977)

**In-app purchases:** none


### Orbit defenders

[App page](https://appshunter.io/ios/app/orbit-defenders/id1519670204)

Engage in a thrilling spaceship shooter experience, defending the Earth from alien invaders. Progress through levels to unlock new equipment or test your endurance in an endless battle mode.

**Highlights:** Spaceship shooter gameplay, Eliminate aliens, Level Mode with equipment unlocks, Infinity Mode with gold and item purchases, Defend against sky invaders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UFO Catch Sorting free?

UFO Catch Sorting is free to download, with no in-app purchases.

### Is Orbit defenders free?

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

### Do UFO Catch Sorting or Orbit defenders have ads?

Both UFO Catch Sorting and Orbit defenders show ads.

### Which is updated more often, UFO Catch Sorting or Orbit defenders?

UFO Catch Sorting ships an update every 21 months, and Orbit defenders every 3 weeks. Most recently, UFO Catch Sorting was updated on September 9, 2026 and Orbit defenders on September 9, 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.*