# Open CLS vs EASL Guidelines

The clearest difference is update cadence: EASL Guidelines at every 2 months against Open CLS's every 24 months. 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.

Open CLS ships an update every 24 months, EASL Guidelines every 2 months. The most recent releases landed on June 1, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Open CLS | EASL Guidelines |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 months** |
| Size | 17 MB | 56 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Clinical Leadership Solutions LTD](https://appshunter.io/developer/1434082548) | [European Association for the Study of the Liver](https://appshunter.io/developer/626177241) |

## What reviewers say

### Open CLS

[App page](https://appshunter.io/ios/app/open-cls/id1479939378)

**In-app purchases:** none


### EASL Guidelines

[App page](https://appshunter.io/ios/app/easl-guidelines/id6470978599)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Open CLS free?

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

### Is EASL Guidelines free?

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

### Do Open CLS or EASL Guidelines have ads?

Neither Open CLS nor EASL Guidelines shows ads.

### Which is updated more often, Open CLS or EASL Guidelines?

Open CLS ships an update every 24 months, and EASL Guidelines every 2 months. Most recently, Open CLS was updated on June 1, 2026 and EASL Guidelines on September 13, 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.*