# Cosmic Trap vs RoBuster

The clearest difference is update cadence: RoBuster at daily against Cosmic Trap's every 9 days. Cosmic Trap's advantage is iOS requirement (13.0 vs 17). 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.

Cosmic Trap ships an update every 9 days, RoBuster daily. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Cosmic Trap | RoBuster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Daily** |
| Size | 116 MB | 199 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [Emil Herzberg](https://appshunter.io/developer/1867788895) | [Daniel Garcia Llera](https://appshunter.io/developer/1886783629) |

## What reviewers say

### Cosmic Trap

[App page](https://appshunter.io/ios/app/cosmic-trap/id6757701722)

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

**In-app purchases:** none


### RoBuster

[App page](https://appshunter.io/ios/app/robuster/id6760917499)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cosmic Trap free?

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

### Is RoBuster free?

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

### Do Cosmic Trap or RoBuster have ads?

Both Cosmic Trap and RoBuster show ads.

### Which is updated more often, Cosmic Trap or RoBuster?

Cosmic Trap ships an update every 9 days, and RoBuster daily. Most recently, Cosmic Trap was updated on October 9, 2026 and RoBuster on October 7, 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.*