# The Fourth Dimension vs SPACE by THIX

The clearest difference is review sentiment: The Fourth Dimension at 94% against SPACE by THIX's 50%. The Fourth Dimension also leads on rating (4.8 vs 3.7) and ratings volume (1.9K vs 169). SPACE by THIX's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

The Fourth Dimension costs $2.99 and SPACE by THIX $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

The Fourth Dimension holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: The Fourth Dimension has 1.9K ratings behind it against 169, so its average is the more settled of the two. Written reviews point the same way: 94% of The Fourth Dimension's written reviews are positive against 50% of SPACE by THIX's.

The Fourth Dimension ships an update every 4 months, SPACE by THIX every 2 months. Both last shipped on September 23, 2026.

## The numbers

| Metric | The Fourth Dimension | SPACE by THIX |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/the-fourth-dimension/id504201783/reviews)** | [3.7 (169 ratings)](https://appshunter.io/ios/app/space-by-thix/id1053605807/reviews) |
| Number of ratings | **1.9K** | 169 |
| Positive reviews | **94.2% of reviews** | 50.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 5 MB | 106 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lunar Skydiving LLC](https://appshunter.io/developer/504201786) | [THIX LLC](https://appshunter.io/developer/433373206) |

## What reviewers say

### The Fourth Dimension

[App page](https://appshunter.io/ios/app/the-fourth-dimension/id504201783)

Explore a complex mathematical concept through an interactive 3D experience. This app uses a unique touch interface to help you visualize and understand the fourth dimension in an engaging and accessible way.

**Highlights:** Interactive 3D touch interface, Explains the fourth dimension, Accessible language for all, 30-page interactive book, Visual and hands-on learning

**In-app purchases:** none


### SPACE by THIX

[App page](https://appshunter.io/ios/app/space-by-thix/id1053605807)

Create and explore your own universe with realistic physics. Build celestial bodies, experiment with natural laws, and journey through the cosmos you design. Learn astronomy and astrophysics through interactive play.

**Highlights:** Create celestial bodies (planets, stars, black holes), Experiment with gravity and natural laws, Simulate supernovae and planetary collisions, Interactive real-time physics, Explore created universes, Learn astronomy and astrophysics

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

**In-app purchases:** none

**What reviewers like**

- 🌟 Cool and fun to play with
- 🌌 Relaxing and immersive space experience
- 🎨 Beautiful graphics and visuals

**What reviewers complain about**

- 🐛 Buggy and glitchy behavior
- 🔍 Difficulty seeing and interacting with small objects
- 🤔 Lack of clear instructions or tutorials
- 🕹️ Frustrating controls and navigation

**Reported bugs**

- Planets and objects behaving erratically or disappearing
- Frequent crashes or freezes, especially with many objects
- Inconsistent or unresponsive touch controls
- Incorrect physics or behavior of certain celestial bodies

**Requested features**

- Add ability to customize and edit planets
- Implement time controls to speed up/slow down simulation
- Provide more celestial objects and phenomena to interact with
- Improve performance and reduce lag on complex scenes
- Include a tutorial or in-game guidance for new players


## Frequently asked questions

### Is The Fourth Dimension free?

The Fourth Dimension costs $2.99, with no in-app purchases.

### Is SPACE by THIX free?

SPACE by THIX costs $2.99, with no in-app purchases.

### Which has better reviews, The Fourth Dimension or SPACE by THIX?

The Fourth Dimension is rated higher. The Fourth Dimension averages 4.8 out of 5 from 1.9K ratings, while SPACE by THIX averages 3.7 from 169 ratings.

### Do The Fourth Dimension or SPACE by THIX have ads?

Neither The Fourth Dimension nor SPACE by THIX shows ads.

### Which is updated more often, The Fourth Dimension or SPACE by THIX?

The Fourth Dimension ships an update every 4 months, and SPACE by THIX every 2 months. Most recently, The Fourth Dimension was updated on September 23, 2026 and SPACE by THIX on September 23, 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.*