# The Fourth Dimension vs KANAL

The clearest difference is price: KANAL at Free against The Fourth Dimension's $2.99. KANAL also leads on update cadence (every 11 days vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

KANAL is free to download; The Fourth Dimension costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

The Fourth Dimension ships an update every 4 months, KANAL every 11 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | The Fourth Dimension | KANAL |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/the-fourth-dimension/id504201783/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 94.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 99 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Lunar Skydiving LLC](https://appshunter.io/developer/504201786) | [9b+](https://appshunter.io/developer/1584324462) |

## 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


### KANAL

[App page](https://appshunter.io/ios/app/kanal/id1584324460)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Fourth Dimension free?

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

### Is KANAL free?

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

### Do The Fourth Dimension or KANAL have ads?

Neither The Fourth Dimension nor KANAL shows ads.

### Which is updated more often, The Fourth Dimension or KANAL?

The Fourth Dimension ships an update every 4 months, and KANAL every 11 days. Most recently, The Fourth Dimension was updated on October 31, 2026 and KANAL on October 25, 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.*