Digital Identity Authenticator vs MDU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Digital Identity Authenticator
This app provides secure and convenient access to NHS clinical systems using a cloud-based virtual smartcard. It offers faster authentication, simplified logins, and two-factor security for e-prescribing and other critical healthcare applications.
- NHS Spine and Windows AD authentication
- Faster, simpler, and safer access
- Two-factor authentication via QR code or push
- Digital signature for e-prescribing
- Cloud-based and device-agnostic
- Easy self-service portal
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Digital Identity Authentcator works with Isosec Virtual Smartcard which provides safer and easier access to your NHS clinical systems and workspace. Isosec’s Virtual Smartcard is the only cloud-based service available to the NHS that virtualises smartcards. WHAT IS A VIRTUAL SMARTCARD? FASTER PROCESS - Saves significant time compared to physical smartcard use - no more lost cards, forgotten passwords or multiple credential delays. SIMPLER AUTHENTICATION - authenticates seamlessly into Windows Directory and NHS Spine authenticated apps, removing multiple logins and simplifying system access. SAFER ACCESS - get two factor authentication from within the app via QR code or push notification, making your Virtual Smartcard safer and easier to use. KEY FEATURES: NHS SPINE AND WINDOWS AD AUTHENTICATION - just like a physical card, Virtual Smartcard is completely transparent to Spine clinical apps EASY SELF SERVICE - the Virtual Smartcard Self Service portal gives you total control of your enrolment, device options and account settings, such as passwords and security recovery options. INTEGRATED AUTHENTICATION - Virtual Smartcard is cloud-based, and is device, systems and hardware agnostic, so you get the same integrated experience as a physical smartcard. DIGITAL SIGNATURE FOR E-PRESCRIBING - Digital Identity Authenticator supports issuing electronic prescriptions faster and simpler with biometric authorization directly on your mobile device.
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.
Screenshots
Verdict
The clearest difference is review sentiment: Digital Identity Authenticator at 100% against MDU's 17%. MDU's advantage is iOS requirement (12.2 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.
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.
Digital Identity Authenticator ships an update every 4 months, MDU every 3 months. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.
| Parameter | Digital Identity Authenticator | MDU |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 16.7% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12.2 — better |
| Further details — not scored | ||
| Size | 11 MB | 165 MB |
| Age rating | 17+ | 4+ |
| Developer | OneAdvanced Limited | The Medical Defence Union |
Customer experience
Digital Identity Authenticator
MDU
In-app purchases
Digital Identity Authenticator
No in-app purchases
MDU
No in-app purchases
Questions
Is Digital Identity Authenticator free?
Is MDU free?
Do Digital Identity Authenticator or MDU have ads?
Which is updated more often, Digital Identity Authenticator or MDU?
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