# Intercongress vs St.Gall Algorithm

The clearest difference is update cadence: St.Gall Algorithm at every 3 weeks against Intercongress's every 2 months. St.Gall Algorithm also leads on iOS requirement (13.0 vs 15.5). 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.

Intercongress ships an update every 2 months, St.Gall Algorithm every 3 weeks. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Intercongress | St.Gall Algorithm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 115 MB | 26 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Intercongress GmbH](https://appshunter.io/developer/473436669) | [HOCH Health Ostschweiz](https://appshunter.io/developer/1378566484) |

## What reviewers say

### Intercongress

[App page](https://appshunter.io/ios/app/intercongress/id6446995734)

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

**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 Intercongress free?

Intercongress 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 Intercongress or St.Gall Algorithm have ads?

Neither Intercongress nor St.Gall Algorithm shows ads.

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

Intercongress ships an update every 2 months, and St.Gall Algorithm every 3 weeks. Most recently, Intercongress was updated on September 30, 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.*