# CKD vs GP Study Hub

The clearest difference is update cadence: GP Study Hub at every 3 weeks against CKD's every 8 months. CKD's advantage is iOS requirement (14.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

CKD ships an update every 8 months, GP Study Hub every 3 weeks. The most recent releases landed on September 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | CKD | GP Study Hub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 26 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Digital Noir Pty Ltd](https://appshunter.io/developer/892645270) | [HUNGRY SOURCE PTY LTD](https://appshunter.io/developer/526656571) |

## What reviewers say

### CKD

[App page](https://appshunter.io/ios/app/ckd-go/id1047480612)

This clinical guide provides healthcare professionals with up-to-date information and decision-making tools for CKD management. It features a staging calculator based on eGFR and urine albumin-creatinine ratio to determine relevant clinical action plans.

**Highlights:** Clinical guide based on latest evidence, CKD staging calculator, eGFR and urine albumin:creatinine ratio input, Identifies clinical action plans, Decision-making assistance for professionals

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

**In-app purchases:** none


### GP Study Hub

[App page](https://appshunter.io/ios/app/gp-study-hub/id6742392003)

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

**In-app purchases:** none


## Frequently asked questions

### Is CKD free?

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

### Is GP Study Hub free?

GP Study Hub is free to download, with no in-app purchases.

### Do CKD or GP Study Hub have ads?

Neither CKD nor GP Study Hub shows ads.

### Which is updated more often, CKD or GP Study Hub?

CKD ships an update every 8 months, and GP Study Hub every 3 weeks. Most recently, CKD was updated on September 6, 2026 and GP Study Hub on September 26, 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.*