# NefroCalc vs ReumApp

The clearest difference is rating: NefroCalc at 5.0 against ReumApp's 3.0. NefroCalc also leads on iOS requirement (8.0 vs 15.0). ReumApp's advantage is update cadence (every 6 weeks vs every 8 months). On price, ratings volume, ads and in-app purchases 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 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

NefroCalc ships an update every 8 months, ReumApp every 6 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NefroCalc | ReumApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nefrocalc/id466002518/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/reumapp/id1342332123/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 55 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Oscar Sosa](https://appshunter.io/developer/466002525) | [AlfamediaWEB SAS](https://appshunter.io/developer/1118780946) |

## 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


### ReumApp

[App page](https://appshunter.io/ios/app/reumapp/id1342332123)

This medical tool offers comprehensive and updated rheumatology information for clinical practice. It includes official guidelines, certified courses, and over 60 specialized calculators for various rheumatic diseases. Access structured content on definitions, clinical presentations, diagnosis, and treatment.

**Highlights:** Updated rheumatology information, Official clinical guidelines, Certified courses, 60+ specialized calculators, Structured disease content, Clinimetry tools

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

**In-app purchases:** none


## Frequently asked questions

### Is NefroCalc free?

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

### Is ReumApp free?

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

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

NefroCalc is rated higher. NefroCalc averages 5.0 out of 5 from 1 ratings, while ReumApp averages 3.0 from 2 ratings.

### Do NefroCalc or ReumApp have ads?

Neither NefroCalc nor ReumApp shows ads.

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

NefroCalc ships an update every 8 months, and ReumApp every 6 weeks. Most recently, NefroCalc was updated on October 23, 2026 and ReumApp on October 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.*