# Professor Maxwell’s 4D Galaxy vs VR Atlas

The clearest difference is rating: VR Atlas at 3.4 against Professor Maxwell’s 4D Galaxy's 2.6. VR Atlas also leads on update cadence (every 2 weeks vs every 8 months) and review sentiment (63% vs 41%). 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 Atlas holds the better App Store score, 3.4 against 2.6. Both are backed by a comparable volume of ratings — 33 and 51 respectively. Written reviews point the same way: 41% of Professor Maxwell’s 4D Galaxy's written reviews are positive against 63% of VR Atlas's.

Professor Maxwell’s 4D Galaxy ships an update every 8 months, VR Atlas every 2 weeks. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Professor Maxwell’s 4D Galaxy | VR Atlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (33 ratings)](https://appshunter.io/ios/app/professor-maxwells-4d-galaxy/id1451237448/reviews) | **[3.4 (51 ratings)](https://appshunter.io/ios/app/vr-atlas/id1550806795/reviews)** |
| Number of ratings | 33 | **51** |
| Positive reviews | 40.6% of reviews | **62.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 852 MB | 2.3 GB |
| 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 Atlas

[App page](https://appshunter.io/ios/app/vr-atlas/id1550806795)

Explore countries, continents, and world wonders through an interactive virtual reality atlas. This app offers a 140-page experience with physical games and activities, complete with step-by-step instructions to learn about landmarks and cultures.

**Highlights:** Interactive VR atlas, Explore countries and continents, 140-page interactive content, Physical games and activities, Step-by-step instructions, Discover landmarks and cultures

**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 Atlas free?

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

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

VR Atlas is rated higher. Professor Maxwell’s 4D Galaxy averages 2.6 out of 5 from 33 ratings, while VR Atlas averages 3.4 from 51 ratings.

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

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

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

Professor Maxwell’s 4D Galaxy ships an update every 8 months, and VR Atlas every 2 weeks. Most recently, Professor Maxwell’s 4D Galaxy was updated on October 22, 2026 and VR Atlas on October 27, 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.*