# Eczema by AZoMedical vs Douglas 3D Sizing

The clearest difference is update cadence: Douglas 3D Sizing at every 2 months against Eczema by AZoMedical's every 9 months. Eczema by AZoMedical's advantage is iOS requirement (11.0 vs 15.0). 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.

Eczema by AZoMedical ships an update every 9 months, Douglas 3D Sizing every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Eczema by AZoMedical | Douglas 3D Sizing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 28 MB | 126 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [AZoNetwork](https://appshunter.io/developer/336360747) | [TechMed 3D](https://appshunter.io/developer/964196047) |

## What reviewers say

### Eczema by AZoMedical

[App page](https://appshunter.io/ios/app/eczema-by-azomedical/id835774328)

**Features:** macOS Compatibility

**In-app purchases:** none


### Douglas 3D Sizing

[App page](https://appshunter.io/ios/app/douglas-3d-sizing/id1593445668)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eczema by AZoMedical free?

Eczema by AZoMedical is free to download, with no in-app purchases.

### Is Douglas 3D Sizing free?

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

### Do Eczema by AZoMedical or Douglas 3D Sizing have ads?

Neither Eczema by AZoMedical nor Douglas 3D Sizing shows ads.

### Which is updated more often, Eczema by AZoMedical or Douglas 3D Sizing?

Eczema by AZoMedical ships an update every 9 months, and Douglas 3D Sizing every 2 months. Most recently, Eczema by AZoMedical was updated on October 26, 2026 and Douglas 3D Sizing on October 27, 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.*