# DDU vs RCMS Training

The clearest difference is ads: DDU at none against RCMS Training's shown. DDU also leads on iOS requirement (12.2 vs 14.0). On price, update cadence, 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.

DDU ships an update every 3 months, RCMS Training every 5 months. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | DDU | RCMS Training |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | — |
| Size | 165 MB | 27 MB |
| Requires iOS | **12.2** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [The Medical Defence Union](https://appshunter.io/developer/1335570468) | [RCMS Training](https://appshunter.io/developer/1676406340) |

## What reviewers say

### DDU

[App page](https://appshunter.io/ios/app/ddu/id1335607491)

Access expert dento-legal advice for dental professionals. Find guidance on patient confidentiality, consent, complaints, and more through articles, case studies, and quick guides. Customize your feed and read offline.

**Highlights:** Expert dento-legal advice, Patient confidentiality guidance, Consent and communication advice, Response to patient complaints, Quick guides and case studies, Offline reading capability, Customizable news feed

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

**In-app purchases:** none


### RCMS Training

[App page](https://appshunter.io/ios/app/rcms-training/id6446164601)

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

**In-app purchases:** none


## Frequently asked questions

### Is DDU free?

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

### Is RCMS Training free?

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

### Do DDU or RCMS Training have ads?

RCMS Training shows ads; DDU does not.

### Which is updated more often, DDU or RCMS Training?

DDU ships an update every 3 months, and RCMS Training every 5 months. Most recently, DDU was updated on September 13, 2026 and RCMS Training on September 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.*