# InstruM3D vs Human Cells..

The clearest difference is in-app purchases: InstruM3D at none against Human Cells..'s 2. InstruM3D also leads on ads (none vs shown). Human Cells..'s advantage is update cadence (weekly vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Human Cells.. sells 2 in-app purchases, starting at $1.99 per month. InstruM3D asks for nothing beyond the download.

InstruM3D ships an update every 4 months, Human Cells.. weekly. The most recent releases landed on September 20, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | InstruM3D | Human Cells.. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Size | 1.1 GB | 174 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Centro de Investigación de las Tecnologías de la Información y la Comunicación](https://appshunter.io/developer/1807248773) | [Olga Ivanova](https://appshunter.io/developer/1733570435) |

## What reviewers say

### InstruM3D

[App page](https://appshunter.io/ios/app/instrum3d/id6744351094)

**In-app purchases:** none


### Human Cells..

[App page](https://appshunter.io/ios/app/human-cells/id6749825867)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| subscription | $1.99 | per month |
| sponsorship | $1.99 | one-time |


## Frequently asked questions

### Is InstruM3D free?

InstruM3D is free to download, with no in-app purchases.

### Is Human Cells.. free?

Human Cells.. is free to download, with in-app purchases available.

### Do InstruM3D or Human Cells.. have ads?

Human Cells.. shows ads; InstruM3D does not.

### Which is updated more often, InstruM3D or Human Cells..?

InstruM3D ships an update every 4 months, and Human Cells.. weekly. Most recently, InstruM3D was updated on September 20, 2026 and Human Cells.. on August 28, 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.*