# Medartis Bones vs St.Gall Algorithm

Medartis Bones and St.Gall Algorithm are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Medartis Bones ships an update every 6 weeks, St.Gall Algorithm every 3 weeks. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Medartis Bones | St.Gall Algorithm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 20 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Medartis AG](https://appshunter.io/developer/1811839769) | [HOCH Health Ostschweiz](https://appshunter.io/developer/1378566484) |

## What reviewers say

### Medartis Bones

[App page](https://appshunter.io/ios/app/medartis-bones/id6479254690)

**Features:** macOS Compatibility

**In-app purchases:** none


### St.Gall Algorithm

[App page](https://appshunter.io/ios/app/stgall-algorithm/id6766456299)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Medartis Bones free?

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

### Is St.Gall Algorithm free?

St.Gall Algorithm is free to download, with no in-app purchases.

### Do Medartis Bones or St.Gall Algorithm have ads?

Neither Medartis Bones nor St.Gall Algorithm shows ads.

### Which is updated more often, Medartis Bones or St.Gall Algorithm?

Medartis Bones ships an update every 6 weeks, and St.Gall Algorithm every 3 weeks. Most recently, Medartis Bones was updated on September 29, 2026 and St.Gall Algorithm on October 6, 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.*