# Robotrix vs lulurad Pneumothorax

The clearest difference is update cadence: Robotrix at every 5 weeks against lulurad Pneumothorax's every 3 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.

Robotrix ships an update every 5 weeks, lulurad Pneumothorax every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Robotrix | lulurad Pneumothorax |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 18 MB | 52 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [IEM AMERICA CORPORATION](https://appshunter.io/developer/1489147623) | [Jacob Jalil Hassan](https://appshunter.io/developer/1789220501) |

## What reviewers say

### Robotrix

[App page](https://appshunter.io/ios/app/robotrix/id6466579517)

**Features:** macOS Compatibility

**In-app purchases:** none


### lulurad Pneumothorax

[App page](https://appshunter.io/ios/app/lulurad-pneumothorax/id6740251256)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Robotrix free?

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

### Is lulurad Pneumothorax free?

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

### Do Robotrix or lulurad Pneumothorax have ads?

Neither Robotrix nor lulurad Pneumothorax shows ads.

### Which is updated more often, Robotrix or lulurad Pneumothorax?

Robotrix ships an update every 5 weeks, and lulurad Pneumothorax every 3 months. Most recently, Robotrix was updated on October 25, 2026 and lulurad Pneumothorax on October 25, 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.*