# ChEgSS vs Primal's 3D Functional Anatomy

The clearest difference is in-app purchases: ChEgSS at none against Primal's 3D Functional Anatomy's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Primal's 3D Functional Anatomy sells 1 one-off in-app purchase. ChEgSS asks for nothing beyond the download.

## The numbers

| Metric | ChEgSS | Primal's 3D Functional Anatomy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 7 months |
| Size | 58 MB | 1.1 GB |
| Requires iOS | 15.4 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Raj Persaud](https://appshunter.io/developer/1450453930) | [Pharma Intelligence UK Ltd](https://appshunter.io/developer/1678054030) |

## What reviewers say

### ChEgSS

[App page](https://appshunter.io/ios/app/chegss/id1630237579)

**Features:** macOS Compatibility

**In-app purchases:** none


### Primal's 3D Functional Anatomy

[App page](https://appshunter.io/ios/app/primals-3d-functional-anatomy/id6745829404)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Functional Anatomy full access | $399.00 | one-time |


## Frequently asked questions

### Is ChEgSS free?

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

### Is Primal's 3D Functional Anatomy free?

Primal's 3D Functional Anatomy is free to download, with in-app purchases available.

### Do ChEgSS or Primal's 3D Functional Anatomy have ads?

Neither ChEgSS nor Primal's 3D Functional Anatomy shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*