# iToxin vs 3D Spasticity

The clearest difference is iOS requirement: 3D Spasticity at 13.0 against iToxin's 16.0. On price, update cadence, 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.

iToxin ships an update every 4 months, 3D Spasticity every 6 months. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | iToxin | 3D Spasticity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (12 ratings)](https://appshunter.io/ios/app/3d-spasticity/id1450310483/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | — | Free |
| Size | 740 MB | 523 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Teracat](https://appshunter.io/developer/562843085) | [Allergan, Inc.](https://appshunter.io/developer/420911057) |

## What reviewers say

### iToxin

[App page](https://appshunter.io/ios/app/itoxin/id1197347362)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Spasticity

[App page](https://appshunter.io/ios/app/3d-spasticity/id1450310483)

Explore adult spasticity anatomy in 3D using augmented reality. Scan workbook images to rotate postures, visualize muscles, and fine-tune limb positioning for detailed anatomical understanding. This app is intended for medical professionals.

**Highlights:** Augmented reality anatomy visualization, 360° posture rotation, Muscle depth visualization, Limb positioning fine-tuning, Functional anatomy details, Clinical considerations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iToxin free?

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

### Is 3D Spasticity free?

3D Spasticity is free to download, with no in-app purchases.

### Do iToxin or 3D Spasticity have ads?

Neither iToxin nor 3D Spasticity shows ads.

### Which is updated more often, iToxin or 3D Spasticity?

iToxin ships an update every 4 months, and 3D Spasticity every 6 months. Most recently, iToxin was updated on September 17, 2026 and 3D Spasticity on September 20, 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.*