# OrthoMaster vs em

The clearest difference is update cadence: em at every 2 weeks against OrthoMaster's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

OrthoMaster ships an update every 6 weeks, em every 2 weeks. The most recent releases landed on September 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | OrthoMaster | em |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 61 MB | 11 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [OrthoMaster](https://appshunter.io/developer/1643479839) | [VINCENT HAMEL](https://appshunter.io/developer/6789132395) |

## What reviewers say

### OrthoMaster

[App page](https://appshunter.io/ios/app/orthomaster/id1644851864)

**Features:** Apple Wallet

**In-app purchases:** none


### em

[App page](https://appshunter.io/ios/app/em-video/id6789132390)

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

**In-app purchases:** none


## Frequently asked questions

### Is OrthoMaster free?

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

### Is em free?

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

### Do OrthoMaster or em have ads?

Neither OrthoMaster nor em shows ads.

### Which is updated more often, OrthoMaster or em?

OrthoMaster ships an update every 6 weeks, and em every 2 weeks. Most recently, OrthoMaster was updated on September 8, 2026 and em 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.*