# Professor Maxwell’s 4D Galaxy vs VR Science Lab

The clearest difference is review sentiment: VR Science Lab at 100% against Professor Maxwell’s 4D Galaxy's 41%. VR Science Lab also leads on rating (4.1 vs 2.5) and update cadence (every 2 months vs every 8 months). Professor Maxwell’s 4D Galaxy's advantage is iOS requirement (9.5 vs 11.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VR Science Lab holds the better App Store score, 4.1 against 2.5. Both are backed by a comparable volume of ratings — 32 and 13 respectively. Written reviews point the same way: 41% of Professor Maxwell’s 4D Galaxy's written reviews are positive against 100% of VR Science Lab's.

Professor Maxwell’s 4D Galaxy ships an update every 8 months, VR Science Lab every 2 months. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Professor Maxwell’s 4D Galaxy | VR Science Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (32 ratings)](https://appshunter.io/ios/app/professor-maxwells-4d-galaxy/id1451237448/reviews) | **[4.1 (13 ratings)](https://appshunter.io/ios/app/vr-science-lab/id1507249907/reviews)** |
| Number of ratings | **32** | 13 |
| Positive reviews | 40.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 852 MB | 976 MB |
| Requires iOS | **9.5** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spicebox](https://appshunter.io/developer/1348931384) | [Abacus](https://appshunter.io/developer/1486425022) |

## What reviewers say

### Professor Maxwell’s 4D Galaxy

[App page](https://appshunter.io/ios/app/professor-maxwells-4d-galaxy/id1451237448)

Explore space science through interactive augmented and virtual reality projects. Build models, walk on the moon, and discover planets and Earth's layers with engaging, lifelike experiences.

**Highlights:** Augmented Reality (AR) experiences, Virtual Reality (VR) experiences, 20 interactive science projects, Build a Sundial, Explore Solar System planets, Discover Earth's layers, Walk on the Moon surface

**Features:** macOS Compatibility

**In-app purchases:** none


### VR Science Lab

[App page](https://appshunter.io/ios/app/vr-science-lab/id1507249907)

Explore scientific principles through 25 engaging augmented and virtual reality experiments. Learn about chemical reactions, sound waves, and acidity with hands-on activities like volcano eruptions and slime making. Requires a physical kit to activate the AR/VR experiences.

**Highlights:** 25 AR/VR science experiments, Learn chemical reactions, Explore sound waves, Understand acidity, Hands-on activities, Augmented and virtual reality integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Professor Maxwell’s 4D Galaxy free?

Professor Maxwell’s 4D Galaxy is free to download, with no in-app purchases.

### Is VR Science Lab free?

VR Science Lab is free to download, with no in-app purchases.

### Which has better reviews, Professor Maxwell’s 4D Galaxy or VR Science Lab?

VR Science Lab is rated higher. Professor Maxwell’s 4D Galaxy averages 2.5 out of 5 from 32 ratings, while VR Science Lab averages 4.1 from 13 ratings.

### Do Professor Maxwell’s 4D Galaxy or VR Science Lab have ads?

Neither Professor Maxwell’s 4D Galaxy nor VR Science Lab shows ads.

### Which is updated more often, Professor Maxwell’s 4D Galaxy or VR Science Lab?

Professor Maxwell’s 4D Galaxy ships an update every 8 months, and VR Science Lab every 2 months. Most recently, Professor Maxwell’s 4D Galaxy was updated on October 4, 2026 and VR Science Lab on October 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.*