Compare the Top Multi-Factor Authentication (MFA) Apps in the UK as of April 2026

What are Multi-Factor Authentication (MFA) Apps in the UK?

Multi-factor authentication (MFA) software is a security system which requires users to authenticate themselves through multiple credentials. This usually means providing something you know, like a password or PIN, and something you possess, such as a hardware token or biometric data. With this two-factor authentication process, user access can be more securely managed than with traditional single-factor authentication systems. Compare and read user reviews of the best Multi-Factor Authentication (MFA) apps in the UK currently available using the table below. This list is updated regularly.

  • 1
    AuthN by IDEE
    Award winning, Enterprise-wide, Zero Trust Authentication as a Service. AuthN™ by IDEE eliminates all password based risks and reduces the cost of administrative overhead. Your fastest time to market for your transition to passwordless across the enterprise. AuthN™ is interoperable and can be deployed in addition to your existing SSO, hardware-token and password-management investments. Whether stand-alone or integrated, realize a tangible reduction of your risk exposure by completely removing the password. Insider threats and human errors are also reduced with no central credential databases of any kind. Our completely passwordless multi-factor authentication can keep your attackers at bay and keep you out of the headlines of tomorrow. Your favorite applications, SSO and password managers receive a plug & play security upgrade. AuthN™ supports open standards (e.g. RADIUS, SAML, OIDC) and offers custom plugins to help you leverage the additional benefits of AuthN™.
    Starting Price: €3 per user per month
  • 2
    Prove

    Prove

    Prove

    With 1 billion+ consumer and small business identity tokens under continuous management, Prove’s Phone-Centric Identity™ platform helps companies mitigate fraud while accelerating revenue and reducing OPEX online. Authenticate identities to mitigate fraud and pre-fill forms with verified data to increase signups in any channel. Access a trusted registry of 1 billion+ phone number-based identity tokens to mitigate fraud and support multiple identity needs. Prove is the modern way of proving identity with just a phone number. But you've seen the news - digital trust is under daily assault. Hackers, nation-state attacks, international fraud rings, deep fakes, and automated bots all undermine the ability of companies and consumers to trust one another online.
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