# Galaxy3D vs Monster inspector

The clearest difference is price: Monster inspector at Free against Galaxy3D's $1.99. Monster inspector also leads on update cadence (every 3 days vs every 38 months). Galaxy3D's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Monster inspector is free to download; Galaxy3D costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Galaxy3D ships an update every 38 months, Monster inspector every 3 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Galaxy3D | Monster inspector |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/galaxy3d/id1062059721/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 2 MB | 45 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Cerra de Castro](https://appshunter.io/developer/321270638) | [Bruno Zweig](https://appshunter.io/developer/1017531406) |

## What reviewers say

### Galaxy3D

[App page](https://appshunter.io/ios/app/galaxy3d/id1062059721)

Relive classic arcade space shooter experiences in a 3D environment. Pilot your ship, destroy waves of alien enemies, and survive the onslaught. Simple tap and slide controls make for intuitive gameplay.

**Highlights:** 3D arcade space shooter, Classic gameplay revival, Destroy alien waves, Simple tap and slide controls, Single missile on screen

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

**In-app purchases:** none


### Monster inspector

[App page](https://appshunter.io/ios/app/monster-inspector/id6742748371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Galaxy3D free?

Galaxy3D costs $1.99, with no in-app purchases.

### Is Monster inspector free?

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

### Do Galaxy3D or Monster inspector have ads?

Monster inspector shows ads; Galaxy3D does not.

### Which is updated more often, Galaxy3D or Monster inspector?

Galaxy3D ships an update every 38 months, and Monster inspector every 3 days. Most recently, Galaxy3D was updated on November 2, 2026 and Monster inspector on November 4, 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.*