# CKD vs OrthoGP

The clearest difference is price: CKD at Free against OrthoGP's $2.99. CKD also leads on iOS requirement (14.0 vs 16.6). OrthoGP's advantage is update cadence (every 8 days vs every 8 months). On ads, in-app purchases and device support there is nothing between them.

CKD is free to download; OrthoGP costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CKD ships an update every 8 months, OrthoGP every 8 days. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CKD | OrthoGP |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 9 MB | 2 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Digital Noir Pty Ltd](https://appshunter.io/developer/892645270) | [Omid Nazifi](https://appshunter.io/developer/1208952331) |

## 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


### OrthoGP

[App page](https://appshunter.io/ios/app/orthogp/id1209367208)

**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 OrthoGP free?

OrthoGP costs $2.99, with no in-app purchases.

### Do CKD or OrthoGP have ads?

Neither CKD nor OrthoGP shows ads.

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

CKD ships an update every 8 months, and OrthoGP every 8 days. Most recently, CKD was updated on October 10, 2026 and OrthoGP on October 15, 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.*