# CKD vs NephRef

The clearest difference is update cadence: NephRef at every 10 days against CKD's every 5 months. NephRef also leads on iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 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 CKD against 5.0 for NephRef. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

CKD ships an update every 5 months, NephRef every 10 days. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CKD | NephRef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ckd-screening/id1454016337/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/nephref/id1486749987/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 48 MB | 44 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Island Peer Review Organization, Inc](https://appshunter.io/developer/986004719) | [Media Foundations LLC](https://appshunter.io/developer/589717539) |

## What reviewers say

### CKD

[App page](https://appshunter.io/ios/app/ckd-screening/id1454016337)

This app assists healthcare professionals in discussing new or potential Chronic Kidney Disease (CKD) diagnoses with patients. It provides guidance for navigating these sensitive conversations effectively.

**Highlights:** Patient conversation guidance, CKD diagnosis support, Clinician tool, Risk assessment assistance

**Features:** macOS Compatibility

**In-app purchases:** none


### NephRef

[App page](https://appshunter.io/ios/app/nephref/id1486749987)

This medical reference tool aids physicians and advanced practitioners in managing patients with kidney disease. It provides quick access to educational resources and guidance on patient referral, urgency, and interval management.

**Highlights:** Kidney disease patient care guidance, Referral management, Urgency assessment, Interval management, Educational resources access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CKD free?

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

### Is NephRef free?

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

### Which has better reviews, CKD or NephRef?

CKD and NephRef are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do CKD or NephRef have ads?

Neither CKD nor NephRef shows ads.

### Which is updated more often, CKD or NephRef?

CKD ships an update every 5 months, and NephRef every 10 days. Most recently, CKD was updated on September 21, 2026 and NephRef on September 18, 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.*