Comparison

Open CLS vs ESC CVD Risk Calculation

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Open CLS

Read full description

CLS Open provides free healthcare training to medical staff across the globe.

About

ESC CVD Risk Calculation

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
Read full description

The ESC CVD Risk Calculation App is designed for healthcare professionals. It provides calculators assessing individual cardiovascular risk. It includes calculators for primary and secondary prevention in various populations: 1. SCORE2 2. SCORE2-OP 3. SCORE2-Diabetes 4. ASCVD 5. SMART 6. SMART-REACH* 7. DIAL* 8. LIFE-CVD* * Available online on U-Prevent (Internet connection required) The ESC CVD Risk Calculation App is available in English. It provides guidance to the most adapted calculator for your patient, and provides an estimation of cardiovascular risk. Of note, patient data are not stored in the App. This application is only for informative use and is not intended to provide therapeutic support or diagnosis assistance. This Application is powered by the European Society of Cardiology (ESC), based upon the source codes of the U-Prevent webtool, a concept developed by University Medical Center Utrecht, redesigned and owned by ORTEC. The SCORE2, SCORE2-OP and SCORE2-Diabetes calculators were developed in collaboration with the ESC Cardiovascular Risk Collaboration unit. The Application has recently been updated in the framework of the EAPC IMPLEMENT Programme (2023) which was supported by Novo Nordisk in the form of an educational grant. The sponsor did not have any involvement or influence on the features nor on the scientific content within the Application.

Screenshots

Open CLS4 screens
ESC CVD Risk Calculation4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Open CLS versus ESC CVD Risk Calculation: the parameters behind the verdict, then further details
ParameterOpen CLSESC CVD Risk Calculation
PriceFreeFree
Rating—4.8 (33 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—33 — better
Update frequencyEvery 24 monthsEvery 12 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size17 MB26 MB
Age rating12+4+
DeveloperClinical Leadership Solutions LTDESC - European Society of Cardiology

In-app purchases

None

Open CLS

No in-app purchases

None

ESC CVD Risk Calculation

No in-app purchases

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.

Other comparisons