# CKDMS vs PCDS

The clearest difference is iOS requirement: PCDS at 13.0 against CKDMS's 16.6. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 14 months. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CKDMS | PCDS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | Every 14 months |
| Monetization | — | Free |
| Size | 6 MB | 83 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [CP Ho](https://appshunter.io/developer/1248719604) | [Primary Care Dermatology Society](https://appshunter.io/developer/1733470173) |

## What reviewers say

### CKDMS

[App page](https://appshunter.io/ios/app/ckdms/id1248719605)

**Features:** macOS Compatibility

**In-app purchases:** none


### PCDS

[App page](https://appshunter.io/ios/app/pcds/id6478600851)

This app offers educational resources and diagnostic tools for healthcare professionals managing dermatological issues. It aims to enhance knowledge and skills in skin condition diagnosis and treatment for primary care settings.

**Highlights:** Dermatology education resources, Skin diagnostic tools, Guidance on skin condition management, Resources for primary care settings, Networking opportunities

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

**In-app purchases:** none


## Frequently asked questions

### Is CKDMS free?

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

### Is PCDS free?

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

### Do CKDMS or PCDS have ads?

Neither CKDMS nor PCDS shows ads.

### Which is updated more often, CKDMS or PCDS?

CKDMS ships an update every 14 months, and PCDS every 14 months. Most recently, CKDMS was updated on September 13, 2026 and PCDS on September 21, 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.*