# NefroCalc vs CardioCal

The clearest difference is review sentiment: NefroCalc at 100% against CardioCal's 0%. NefroCalc also leads on rating (5.0 vs 3.7) and iOS requirement (8.0 vs 13.0). CardioCal's advantage is update cadence (every 4 months vs every 8 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

NefroCalc holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 100% of NefroCalc's written reviews are positive against 0% of CardioCal's.

NefroCalc ships an update every 8 months, CardioCal every 4 months. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NefroCalc | CardioCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nefrocalc/id466002518/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/cardiocal/id918099010/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 7 MB | 158 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +17 |
| Developer | [Oscar Sosa](https://appshunter.io/developer/466002525) | [Pan American Health Organization](https://appshunter.io/developer/1296970486) |

## What reviewers say

### NefroCalc

[App page](https://appshunter.io/ios/app/nefrocalc/id466002518)

This medical app provides quick calculations for glomerular filtration rate (GFR) using multiple established formulas. It supports CKD-EPI, MDRD, Cockcroft-Gault, and the Schwartz formula for pediatric use.

**Highlights:** GFR calculation, CKD-EPI formula, MDRD formula, Cockcroft-Gault formula, Schwartz formula for children

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

**In-app purchases:** none


### CardioCal

[App page](https://appshunter.io/ios/app/cardiocal/id918099010)

Calculate your 10-year risk of heart disease, stroke, or cardiovascular death based on WHO data. This tool helps healthcare providers and health-conscious individuals understand and discuss risk reduction strategies.

**Highlights:** Cardiovascular risk calculation, Region-specific risk assessment, Country selection for tailored results, Multiple language support, Adjustable cholesterol units, Metric/Imperial unit options, Country-specific hypertension protocols

**In-app purchases:** none


## Frequently asked questions

### Is NefroCalc free?

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

### Is CardioCal free?

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

### Which has better reviews, NefroCalc or CardioCal?

NefroCalc is rated higher. NefroCalc averages 5.0 out of 5 from 1 ratings, while CardioCal averages 3.7 from 3 ratings.

### Do NefroCalc or CardioCal have ads?

Neither NefroCalc nor CardioCal shows ads.

### Which is updated more often, NefroCalc or CardioCal?

NefroCalc ships an update every 8 months, and CardioCal every 4 months. Most recently, NefroCalc was updated on October 9, 2026 and CardioCal on September 30, 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.*