# Open CLS vs ESC CVD Risk Calculation

The clearest difference is update cadence: ESC CVD Risk Calculation at every 12 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, ESC CVD Risk Calculation every 12 months. The most recent releases landed on June 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Open CLS | ESC CVD Risk Calculation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (33 ratings)](https://appshunter.io/ios/app/esc-cvd-risk-calculation/id1498801246/reviews)** |
| Number of ratings | — | **33** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 12 months** |
| Monetization | — | Free |
| Size | 17 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Clinical Leadership Solutions LTD](https://appshunter.io/developer/1434082548) | [ESC - European Society of Cardiology](https://appshunter.io/developer/440684535) |

## What reviewers say

### Open CLS

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

**In-app purchases:** none


### ESC CVD Risk Calculation

[App page](https://appshunter.io/ios/app/esc-cvd-risk-calculation/id1498801246)

This app provides healthcare professionals with calculators to assess individual cardiovascular risk for primary and secondary prevention. It offers multiple scoring systems to guide the selection of the most adapted calculator for patient risk estimation. Patient data is not stored within the application.

**Highlights:** Cardiovascular risk assessment calculators, SCORE2, SCORE2-OP, SCORE2-Diabetes, ASCVD, SMART, SMART-REACH, DIAL, LIFE-CVD calculators, Guidance on calculator selection, Patient data not stored

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

**In-app purchases:** none


## Frequently asked questions

### Is Open CLS free?

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

### Is ESC CVD Risk Calculation free?

ESC CVD Risk Calculation is free to download, with no in-app purchases.

### Do Open CLS or ESC CVD Risk Calculation have ads?

Neither Open CLS nor ESC CVD Risk Calculation shows ads.

### Which is updated more often, Open CLS or ESC CVD Risk Calculation?

Open CLS ships an update every 24 months, and ESC CVD Risk Calculation every 12 months. Most recently, Open CLS was updated on June 1, 2026 and ESC CVD Risk Calculation on September 24, 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.*