# OpticALLY 3D Scan vs EMF Detector

The clearest difference is ads: OpticALLY 3D Scan at none against EMF Detector's shown. EMF Detector's advantage is update cadence (every 3 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. OpticALLY 3D Scan sells 2 in-app purchases, starting at $4.99 per month and EMF Detector sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OpticALLY 3D Scan ships an update every 4 months, EMF Detector every 3 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OpticALLY 3D Scan | EMF Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/optically-3d-scan/id6468313142/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 292 MB | 25 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Wonmo Seong](https://appshunter.io/developer/1625011193) | [Ashir Mehmood](https://appshunter.io/developer/6809578079) |

## What reviewers say

### 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 |


### EMF Detector

[App page](https://appshunter.io/ios/app/emf-detector-ghost-meter/id6809578077)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EMF Detector Pro | $4.99 | one-time |


## Frequently asked questions

### Is OpticALLY 3D Scan free?

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

### Is EMF Detector free?

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

### Do OpticALLY 3D Scan or EMF Detector have ads?

EMF Detector shows ads; OpticALLY 3D Scan does not.

### Which is updated more often, OpticALLY 3D Scan or EMF Detector?

OpticALLY 3D Scan ships an update every 4 months, and EMF Detector every 3 weeks. Most recently, OpticALLY 3D Scan was updated on October 5, 2026 and EMF Detector on October 7, 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.*