# Duo Alternatives: 6 MFA Options Compared

Source: https://startwithidentity.com/articles/duo-alternatives/
Last updated: 2026-10-17
License: content by Start with Identity. Cite the source URL.

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Duo is easier to shop against than almost any identity product, because it is one of the very few that [publishes real prices](https://duo.com/editions-and-pricing): 0, 3, 6 and 9 dollars per user per month across Free, Essentials, Advantage and Premier. Any alternative you evaluate can be measured against a number rather than a quote.

That also means cost is rarely the reason people leave. Coverage is.

## The three gaps that actually drive switching

Duo's limitations are specific rather than general, and all three are documented.

**No Linux support for Duo Passport.** The shared-session feature requires TPM 2.0 on Windows or Secure Enclave on macOS. If your engineers are on Linux, they are excluded.

**Risk-Based Authentication does not cover Windows Logon or Unix.** That is a real hole for on-premises-heavy estates paying for the Advantage tier specifically to get it.

**Systems that cannot take an agent at all.** Legacy applications, Active Directory authentication, command-line tools and service accounts are outside Duo's reach by architecture.

## If the gap is unreachable systems: Silverfort

[Silverfort](https://startwithidentity.com/vendors/itdr/silverfort/) is not really a Duo competitor so much as a complement. It operates inside the identity infrastructure itself, analysing authentication requests and stepping up where policy requires, which lets it apply MFA to systems that were never built for it. Its licensing meters by employee headcount rather than protected identity, so extending coverage costs nothing extra. Plenty of organisations run it alongside Duo rather than instead of it.

## If you already pay Microsoft: Entra ID

[Microsoft Entra ID](https://startwithidentity.com/vendors/iam/microsoft-entra/) is the cheapest realistic alternative for most organisations, because MFA and conditional access arrive with licensing you likely already hold. The trade is ecosystem lock-in and a weaker story for heterogeneous estates.

## If you want vendor-neutral breadth: Okta

[Okta](https://startwithidentity.com/vendors/iam/okta/) treats MFA as one part of a larger [workforce identity platform](https://startwithidentity.com/articles/top-6-workforce-identity-platforms/) with the widest third-party application catalogue. More product than Duo, and priced accordingly.

## If hardware-first is the requirement: Yubico, HYPR, Beyond Identity

[Yubico](https://startwithidentity.com/vendors/mfa/yubico/) for hardware security keys, [HYPR](https://startwithidentity.com/vendors/mfa/hypr/) and [Beyond Identity](https://startwithidentity.com/vendors/mfa/beyond-identity/) for device-bound passwordless. Worth noting Duo already supports passkeys and WebAuthn from Essentials, so this is a reason to add a class of authenticator rather than to replace the platform.

## Before you switch

Check which Duo entitlement your contract actually carries, especially if you buy through Cisco's suite. Read the full [Duo review](https://startwithidentity.com/vendors/mfa/duo/) and the [MFA scorecard](https://startwithidentity.com/rankings/best-mfa-solutions/), and compare [Duo vs Microsoft Authenticator](https://startwithidentity.com/compare/duo-vs-microsoft-authenticator/).