# The 4th Dimension vs IBSA MYVolution®

The clearest difference is update cadence: IBSA MYVolution® at every 2 months against The 4th Dimension's every 10 months. IBSA MYVolution® also leads on iOS requirement (10.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

The 4th Dimension ships an update every 10 months, IBSA MYVolution® every 2 months. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | The 4th Dimension | IBSA MYVolution® |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 1.6 GB | 258 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [NextMotion](https://appshunter.io/developer/1092580104) | [IBSA Institut Biochimique SA](https://appshunter.io/developer/1512964330) |

## What reviewers say

### The 4th Dimension

[App page](https://appshunter.io/ios/app/the-4th-dimension/id1504436726)

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

**In-app purchases:** none


### IBSA MYVolution®

[App page](https://appshunter.io/ios/app/ibsa-myvolution/id1512964331)

This medical app assists doctors in analyzing patient facial shapes and identifying areas for treatment based on the MYV approach. It categorizes facial structures into M, Y, and V shapes, providing visual guidance for suggested interventions.

**Highlights:** Facial shape analysis, MYV approach identification, Highlighting treatment areas, Categorization of facial shapes (M, Y, V), Patient assessment tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The 4th Dimension free?

The 4th Dimension is free to download, with no in-app purchases.

### Is IBSA MYVolution® free?

IBSA MYVolution® is free to download, with no in-app purchases.

### Do The 4th Dimension or IBSA MYVolution® have ads?

Neither The 4th Dimension nor IBSA MYVolution® shows ads.

### Which is updated more often, The 4th Dimension or IBSA MYVolution®?

The 4th Dimension ships an update every 10 months, and IBSA MYVolution® every 2 months. Most recently, The 4th Dimension was updated on September 20, 2026 and IBSA MYVolution® on September 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.*