# 3D File Viewer vs OpenShape3D

The clearest difference is in-app purchases: OpenShape3D at none against 3D File Viewer's 1. 3D File Viewer's advantage is rating (5.0 vs 4.8). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. 3D File Viewer sells 1 one-off in-app purchase. OpenShape3D asks for nothing beyond the download.

3D File Viewer holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

3D File Viewer ships an update every 5 weeks, OpenShape3D every 3 weeks. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3D File Viewer | OpenShape3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/3d-file-viewer-printpeek/id6773097802/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/openshape3d/id6792536439/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Freemium | **Free** |
| Size | 11 MB | 51 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jean Papke](https://appshunter.io/developer/1697093770) | [Laan Labs](https://appshunter.io/developer/310916919) |

## What reviewers say

### 3D File Viewer

[App page](https://appshunter.io/ios/app/3d-file-viewer-printpeek/id6773097802)

Quickly view and inspect 3D model files like STL, OBJ, and PLY. Offers a clean preview with gesture controls and detailed model information. Export images or different mesh formats for sharing.

**Highlights:** Preview STL, OBJ, 3MF, PLY, and ZIP files, Rotate, move, and scale models, Solid, edge, and transparent display modes, View presets (front, top, side, isometric), Check model details (bounds, face count, volume), Export PNG, OBJ, DAE, and DXF files

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrintPeek Pro | $3.99 | one-time |


### OpenShape3D

[App page](https://appshunter.io/ios/app/openshape3d/id6792536439)

Create precise 3D models directly on your mobile device using intuitive touch controls. This app offers robust sketching tools, advanced solid modeling operations, and various viewing modes, all powered by a professional-grade geometry kernel.

**Highlights:** Direct-modeling CAD for touch, Professional-grade B-rep kernel, Advanced 2D sketching with constraints, Extrude, revolve, sweep, and loft operations, Live preview for fillets and chamfers, Import/export STL, OBJ, DXF, and more, AR preview with Quick Look

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 3D File Viewer free?

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

### Is OpenShape3D free?

OpenShape3D is free to download, with no in-app purchases.

### Which has better reviews, 3D File Viewer or OpenShape3D?

3D File Viewer is rated higher. 3D File Viewer averages 5.0 out of 5 from 2 ratings, while OpenShape3D averages 4.8 from 4 ratings.

### Do 3D File Viewer or OpenShape3D have ads?

Neither 3D File Viewer nor OpenShape3D shows ads.

### Which is updated more often, 3D File Viewer or OpenShape3D?

3D File Viewer ships an update every 5 weeks, and OpenShape3D every 3 weeks. Most recently, 3D File Viewer was updated on October 29, 2026 and OpenShape3D on October 31, 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.*