MDU vs Messly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MDU
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.
- Expert medico-legal advice
- Quick guides and case studies
- Searchable articles
- Tailorable news feed
- Offline reading
- Membership card access
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As a medical professional, you can access expert advice from the Medical Defence Union (MDU). Read the latest medico-legal advice on patient confidentiality, consent, prescribing, police investigations, inquests, how to respond to patient complaints, and much more. Search our extensive range of quick guides, case studies, frequently asked questions and articles from our popular MDU Journal. You can tailor your news feed to show topics you’re interested in, read offline, get help with your membership, view your membership card and get proof of membership. Download the MDU app now for top medico-legal advice wherever you go.
Messly
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Messly is a faster, simpler and more transparent way to find locum work. Make your free anonymous profile with your locum wishlist and get pitched relevant locum jobs from the best locum agencies before you've shared your contact details. All our agencies are vetted and chosen based on doctor's feedback. See locum jobs from all of the best agencies up-front, before you’ve shared your personal details. More choice means better rates, less travel and your pick of departments. You manage everything from your mobile, around your schedule, with nifty tools to save you time. Trusted by over 12,000 locum doctors. We’re rated number #1 by doctors looking for locum work.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | MDU | Messly |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.2 | 12.0 — better |
| Further details — not scored | ||
| Size | 165 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | The Medical Defence Union | Messly |
In-app purchases
MDU
No in-app purchases
Messly
No in-app purchases
