# 3D Model Viewer vs OBJ Viewer

The clearest difference is in-app purchases: OBJ Viewer at none against 3D Model Viewer's 4. On price, update cadence, ads and device support 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. OBJ Viewer asks for nothing beyond the download.

3D Model Viewer ships an update weekly, OBJ Viewer every 6 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | 3D Model Viewer | OBJ Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (11 ratings)](https://appshunter.io/ios/app/3d-model-viewer-stl-and-usdz/id1587642013/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 1 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Ariel Ortiz](https://appshunter.io/developer/1583119689) | [Shota Sukhiashvili](https://appshunter.io/developer/1843072730) |

## 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 |


### OBJ Viewer

[App page](https://appshunter.io/ios/app/obj-viewer-view-3d-models/id6803442606)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3D Model Viewer free?

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

### Is OBJ Viewer free?

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

### Do 3D Model Viewer or OBJ Viewer have ads?

Neither 3D Model Viewer nor OBJ Viewer shows ads.

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

3D Model Viewer ships an update weekly, and OBJ Viewer every 6 days. Most recently, 3D Model Viewer was updated on October 25, 2026 and OBJ Viewer on October 25, 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.*