# 3D Model Viewer vs Claydo Studio

The clearest difference is rating: 3D Model Viewer at 3.5 against Claydo Studio's 2.9. 3D Model Viewer also leads on update cadence (weekly vs every 5 months). Claydo Studio's advantage is iOS requirement (12.0 vs 17.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. 3D Model Viewer sells 4 in-app purchases, starting at $2.99 per 7 days and Claydo Studio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

3D Model Viewer holds the better App Store score, 3.5 against 2.9. Both are backed by a comparable volume of ratings — 11 and 10 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

3D Model Viewer ships an update weekly, Claydo Studio every 5 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 3D Model Viewer | Claydo Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (11 ratings)](https://appshunter.io/ios/app/3d-model-viewer-stl-and-usdz/id1587642013/reviews)** | [2.9 (10 ratings)](https://appshunter.io/ios/app/claydo-studio/id1639386789/reviews) |
| Number of ratings | **11** | 10 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 15 MB | 201 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ariel Ortiz](https://appshunter.io/developer/1583119689) | [Arjun Gupte](https://appshunter.io/developer/620272974) |

## What reviewers say

### 3D Model Viewer

[App page](https://appshunter.io/ios/app/3d-model-viewer-stl-and-usdz/id1587642013)

Easily view and interact with 3D models in various formats like USDZ, STL, and OBJ. Explore your designs with intuitive gestures, high-performance rendering, and augmented reality capabilities. Record animations of your models for sharing.

**Highlights:** View USDZ, STL, OBJ, PLY files, Intuitive gesture controls, High-performance rendering, Augmented Reality (AR) visualization, Record rotation animations, Supports OBJ with textures

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $2.99 | per 7 days |
| All Access | $3.99 | per month |
| All Access | $14.99 | per year |
| One-time payment | $3.99 | one-time |


### Claydo Studio

[App page](https://appshunter.io/ios/app/claydo-studio/id1639386789)

Create 3D models using simple shapes and intuitive gestures. Visualize designs in augmented reality and export them for 3D printing or professional software. Ideal for designers, hobbyists, teachers, and kids.

**Highlights:** Simple 3D modeling with basic shapes, Augmented Reality visualization, Export to STL and OBJ formats, Millimeter precision for 3D printing, In-built video tutorials, COPPA and GDPR compliant

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Version | $19.99 | one-time |


## Frequently asked questions

### Is 3D Model Viewer free?

3D Model Viewer is free to download, with in-app purchases available.

### Is Claydo Studio free?

Claydo Studio is free to download, with in-app purchases available.

### Which has better reviews, 3D Model Viewer or Claydo Studio?

3D Model Viewer is rated higher. 3D Model Viewer averages 3.5 out of 5 from 11 ratings, while Claydo Studio averages 2.9 from 10 ratings.

### Do 3D Model Viewer or Claydo Studio have ads?

Neither 3D Model Viewer nor Claydo Studio shows ads.

### Which is updated more often, 3D Model Viewer or Claydo Studio?

3D Model Viewer ships an update weekly, and Claydo Studio every 5 months. Most recently, 3D Model Viewer was updated on October 25, 2026 and Claydo Studio on October 24, 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.*