# NephroCalc™ vs NKF KDOQI

The clearest difference is price: NKF KDOQI at Free against NephroCalc™'s $3.99. On rating, ratings volume, update cadence and ads there is nothing between them.

NKF KDOQI is free to download; NephroCalc™ costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for NephroCalc™ against 5.0 for NKF KDOQI. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

NephroCalc™ ships an update every 10 months, NKF KDOQI every 11 months. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | NephroCalc™ | NKF KDOQI |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/nephrocalc/id573215712/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/nkf-kdoqi/id1514625642/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 11 months |
| Monetization | Paid | **Free** |
| Size | 24 MB | 67 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [ScyMed, Inc](https://appshunter.io/developer/545140733) | [National Kidney Foundation](https://appshunter.io/developer/418198855) |

## What reviewers say

### NephroCalc™

[App page](https://appshunter.io/ios/app/nephrocalc/id573215712)

This medical calculator app provides over 100 essential formulas and equations for assessing patients with kidney disease and acid-base disorders. It features innovative Master panels for combined calculations and a physician-friendly interface for efficient patient data management.

**Highlights:** Over 100 renal and acid-base equations, Innovative MultiCalx™ Master panels, Customizable mCalx™ DARK calculator, Physician-friendly intuitive interface, Automatic unit conversion, Color-coded normal-abnormal outputs, Fully referenced clinical data

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

**In-app purchases:** none


### NKF KDOQI

[App page](https://appshunter.io/ios/app/nkf-kdoqi/id1514625642)

Access comprehensive, evidence-based recommendations for diagnosing and treating kidney disease. These guidelines aim to improve clinical practice and patient outcomes worldwide.

**Highlights:** Kidney disease diagnosis, Treatment recommendations, Evidence-based guidelines, Clinical practice improvement, Patient care decision support

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

**In-app purchases:** none


## Frequently asked questions

### Is NephroCalc™ free?

NephroCalc™ costs $3.99, with no in-app purchases.

### Is NKF KDOQI free?

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

### Which has better reviews, NephroCalc™ or NKF KDOQI?

NephroCalc™ and NKF KDOQI are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do NephroCalc™ or NKF KDOQI have ads?

Neither NephroCalc™ nor NKF KDOQI shows ads.

### Which is updated more often, NephroCalc™ or NKF KDOQI?

NephroCalc™ ships an update every 10 months, and NKF KDOQI every 11 months. Most recently, NephroCalc™ was updated on October 26, 2026 and NKF KDOQI on October 16, 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.*