# 3D Lidar Viewer vs OpticALLY 3D Scan

The clearest difference is rating: 3D Lidar Viewer at 3.7 against OpticALLY 3D Scan's 3.0. 3D Lidar Viewer also leads on in-app purchases (none vs 2) and update cadence (every 10 days vs every 4 months). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. OpticALLY 3D Scan sells 2 in-app purchases, starting at $4.99 per month. 3D Lidar Viewer asks for nothing beyond the download.

3D Lidar Viewer holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

3D Lidar Viewer ships an update every 10 days, OpticALLY 3D Scan every 4 months. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 3D Lidar Viewer | OpticALLY 3D Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/3d-lidar-viewer/id1574614314/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/optically-3d-scan/id6468313142/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 4 months |
| Monetization | Free | Free |
| Size | 4 MB | 292 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HAN WEI WANG](https://appshunter.io/developer/928406183) | [Wonmo Seong](https://appshunter.io/developer/1625011193) |

## What reviewers say

### 3D Lidar Viewer

[App page](https://appshunter.io/ios/app/3d-lidar-viewer/id1574614314)

Visualize LiDAR and camera data in real-time 2D and 3D. Perform precise length and area measurements directly within the app. Save and revisit scenes for further analysis.

**Highlights:** Real-time 3D and 2D display, LiDAR and camera output visualization, Real-time length and area measurement, Scene saving and viewing, Adjustable exposure bias and depth view range, Panning display for camera view control

**Features:** macOS Compatibility

**In-app purchases:** none


### OpticALLY 3D Scan

[App page](https://appshunter.io/ios/app/optically-3d-scan/id6468313142)

Capture precise 3D scans of your face with sub-millimeter accuracy using your iPhone's TrueDepth camera. Obtain detailed measurements for custom eyewear or digital avatars, with all processing done securely on your device.

**Highlights:** Sub-millimeter 3D facial scanning, Twelve clinical measurements, Export 3D models (.OBJ, .PLY, .USDZ), On-device processing for privacy, More accurate than LiDAR, Custom avatar and eyewear design

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is 3D Lidar Viewer free?

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

### Is OpticALLY 3D Scan free?

OpticALLY 3D Scan is free to download, with in-app purchases available.

### Which has better reviews, 3D Lidar Viewer or OpticALLY 3D Scan?

3D Lidar Viewer is rated higher. 3D Lidar Viewer averages 3.7 out of 5 from 3 ratings, while OpticALLY 3D Scan averages 3.0 from 2 ratings.

### Do 3D Lidar Viewer or OpticALLY 3D Scan have ads?

Neither 3D Lidar Viewer nor OpticALLY 3D Scan shows ads.

### Which is updated more often, 3D Lidar Viewer or OpticALLY 3D Scan?

3D Lidar Viewer ships an update every 10 days, and OpticALLY 3D Scan every 4 months. Most recently, 3D Lidar Viewer was updated on October 11, 2026 and OpticALLY 3D Scan on October 5, 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.*