# MDU vs Messly

MDU and Messly are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

MDU ships an update every 3 months, Messly every 2 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MDU | Messly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mdu/id1335570470/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 165 MB | 37 MB |
| Requires iOS | 12.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Medical Defence Union](https://appshunter.io/developer/1335570468) | [Messly](https://appshunter.io/developer/1337787870) |

## What reviewers say

### MDU

[App page](https://appshunter.io/ios/app/mdu/id1335570470)

Access expert medico-legal advice for medical professionals. Find guidance on patient confidentiality, prescribing, complaints, and more through articles, case studies, and quick guides. Tailor your feed and access membership details offline.

**Highlights:** Expert medico-legal advice, Quick guides and case studies, Searchable articles, Tailorable news feed, Offline reading, Membership card access

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

**In-app purchases:** none


### Messly

[App page](https://appshunter.io/ios/app/messly/id1337787871)

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

**In-app purchases:** none


## Frequently asked questions

### Is MDU free?

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

### Is Messly free?

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

### Do MDU or Messly have ads?

Neither MDU nor Messly shows ads.

### Which is updated more often, MDU or Messly?

MDU ships an update every 3 months, and Messly every 2 months. Most recently, MDU was updated on October 16, 2026 and Messly on October 7, 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.*