# STLLens vs OpenShape3D

The clearest difference is price: OpenShape3D at Free against STLLens's $0.99. OpenShape3D also leads on in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

OpenShape3D is free to download; STLLens costs $0.99 up front. STLLens sells 3 in-app purchases, starting at $7.99 per month. OpenShape3D asks for nothing beyond the download.

STLLens ships an update fortnightly, OpenShape3D every 3 weeks. The most recent releases landed on October 15, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | STLLens | OpenShape3D |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/openshape3d/id6792536439/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 60 MB | 51 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [楠楠 李](https://appshunter.io/developer/1790338557) | [Laan Labs](https://appshunter.io/developer/310916919) |

## What reviewers say

### STLLens

[App page](https://appshunter.io/ios/app/stllens-3d-model-viewer/id6787116955)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month Vip | $7.99 | per month |
| Year Vip | $14.99 | per year |
| LifeTime | $19.99 | 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 STLLens free?

STLLens costs $0.99, and also offers in-app purchases.

### Is OpenShape3D free?

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

### Do STLLens or OpenShape3D have ads?

Neither STLLens nor OpenShape3D shows ads.

### Which is updated more often, STLLens or OpenShape3D?

STLLens ships an update fortnightly, and OpenShape3D every 3 weeks. Most recently, STLLens was updated on October 15, 2026 and OpenShape3D on October 29, 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.*