# 3D vs HappyLens

The clearest difference is price: 3D at Free against HappyLens's $1.99. 3D also leads on iOS requirement (14.0 vs 17.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

3D is free to download; HappyLens costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

3D ships an update every 3 months, HappyLens every 2 months. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 3D | HappyLens |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 50 MB | 4 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [immersight GmbH](https://appshunter.io/developer/1247413698) | [常坤 赵](https://appshunter.io/developer/1738354161) |

## What reviewers say

### 3D

[App page](https://appshunter.io/ios/app/3d-scan/id1247413699)

Create 360° images of real spaces using connected hardware. Upload to the cloud to generate a 3D virtual twin for documentation, inspections, or virtual tours. Perform measurements within the virtual environment.

**Highlights:** Create 360° room images, Connects via WiFi to hardware, Upload to cloud for conversion, Generate 3D virtual twins, Perform measurements in virtual twin, Virtual tour creation

**In-app purchases:** none


### HappyLens

[App page](https://appshunter.io/ios/app/happylens/id6762107901)

This app helps you straighten and clean up photos of artwork, documents, and notes. It automatically detects edges, corrects perspective, and preserves original textures and colors. Processed images are saved locally without uploading to the cloud.

**Highlights:** Automatic edge detection, Manual corner adjustment, Perspective correction, Artwork texture preservation, Ink Wash mode, Document mode, Brightness and contrast fine-tuning

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

**In-app purchases:** none


## Frequently asked questions

### Is 3D free?

3D is free to download, with no in-app purchases.

### Is HappyLens free?

HappyLens costs $1.99, with no in-app purchases.

### Do 3D or HappyLens have ads?

Neither 3D nor HappyLens shows ads.

### Which is updated more often, 3D or HappyLens?

3D ships an update every 3 months, and HappyLens every 2 months. Most recently, 3D was updated on October 12, 2026 and HappyLens on October 16, 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.*