# Plastic Surgery Education vs St.Gall Algorithm

The clearest difference is in-app purchases: St.Gall Algorithm at none against Plastic Surgery Education's 1. St.Gall Algorithm also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Plastic Surgery Education sells 1 one-off in-app purchase. St.Gall Algorithm asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Plastic Surgery Education | St.Gall Algorithm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 315 MB | 26 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Spayee Labs](https://appshunter.io/developer/1219640854) | [HOCH Health Ostschweiz](https://appshunter.io/developer/1378566484) |

## What reviewers say

### Plastic Surgery Education

[App page](https://appshunter.io/ios/app/plastic-surgery-education/id6756348485)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Training Course | $9.99 | one-time |


### 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 Plastic Surgery Education free?

Plastic Surgery Education is free to download, with in-app purchases available.

### Is St.Gall Algorithm free?

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

### Do Plastic Surgery Education or St.Gall Algorithm have ads?

Neither Plastic Surgery Education nor St.Gall Algorithm shows ads.

### Which is updated more often, Plastic Surgery Education or St.Gall Algorithm?

Plastic Surgery Education ships an update every 3 weeks, and St.Gall Algorithm every 3 weeks. Most recently, Plastic Surgery Education was updated on October 13, 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.*