# SEMG vs sherpa3D Scan

The clearest difference is device support: sherpa3D Scan at 3 against SEMG's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SEMG ships an update every 2 months, sherpa3D Scan every 3 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | SEMG | sherpa3D Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 70 MB | 36 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Shenzhen XFT Medical Limited](https://appshunter.io/developer/645422367) | [LutraCAD B.V.](https://appshunter.io/developer/1499830940) |

## What reviewers say

### SEMG

[App page](https://appshunter.io/ios/app/semg-2003e/id1188917318)

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

**In-app purchases:** none


### sherpa3D Scan

[App page](https://appshunter.io/ios/app/sherpa3d-scan/id6747065172)

**In-app purchases:** none


## Frequently asked questions

### Is SEMG free?

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

### Is sherpa3D Scan free?

sherpa3D Scan is free to download, with no in-app purchases.

### Do SEMG or sherpa3D Scan have ads?

Neither SEMG nor sherpa3D Scan shows ads.

### Which is updated more often, SEMG or sherpa3D Scan?

SEMG ships an update every 2 months, and sherpa3D Scan every 3 months. Most recently, SEMG was updated on November 2, 2026 and sherpa3D Scan on November 8, 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.*