# SEMG vs E

The clearest difference is device support: E 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SEMG | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 70 MB | 129 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Shenzhen XFT Medical Limited](https://appshunter.io/developer/645422367) | [TechMed 3D](https://appshunter.io/developer/964196047) |

## What reviewers say

### SEMG

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

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-scan/id6738921951)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SEMG free?

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

### Is E free?

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

### Do SEMG or E have ads?

Neither SEMG nor E shows ads.

### Which is updated more often, SEMG or E?

SEMG ships an update every 2 months, and E every 2 months. Most recently, SEMG was updated on October 6, 2026 and E on September 30, 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.*