# 3D Model Viewer vs SyncBrief

The clearest difference is review sentiment: SyncBrief at 100% against 3D Model Viewer's 0%. SyncBrief also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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 SyncBrief sells 6 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 3D Model Viewer | SyncBrief |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 20 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ariel Ortiz](https://appshunter.io/developer/1583119689) | [Mahesh Shinde](https://appshunter.io/developer/6779451651) |

## 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 |


### SyncBrief

[App page](https://appshunter.io/ios/app/syncbrief/id6806783698)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro for iPhone — Monthly | $5.99 | per month |
| Pro for Mac — Monthly | $9.99 | per month |
| Pro for iPhone — Quarterly | $15.99 | per 3 months |
| Pro for Mac — Quarterly | $25.99 | per 3 months |
| Pro for iPhone — Yearly | $60.99 | per year |
| Pro for Mac — Yearly | $99.99 | per year |


## Frequently asked questions

### Is 3D Model Viewer free?

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

### Is SyncBrief free?

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

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

Neither 3D Model Viewer nor SyncBrief shows ads.

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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.*