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3 Best Duo Security Free Alternatives in 2026

Explore 3 alternatives to Duo Security — vetted by our editors with real user reviews, pricing, and feature comparisons.

9.8

Spot Score

Okta - Identity and Access Management (IAM) Software

Okta

Securely connect and manage users with ease.

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4.3

230 verified reviews

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What is Okta?

Okta is a cloud based Identity and Access Management service that allows developers to manage users and connect applications securely. With Okta, developers can easily and securely add user authentication, authorization, SSO or single sign-on to their applications, all backed by a leading ...

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Free TrialTry Free →·

Okta offers custom pricing plan

OTPfy - New SaaS Software

OTPfy

Safeguard your app with effortless security.

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What is OTPfy?

OTPfy is an effective SaaS platform that simplifies the process of safeguarding applications. It enables you to generate One Time Password codes and Magic Links to protect your app functionality without taking up valuable engineering time and resources. OTPfy helps you secure any part of your ...

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Qualified - New SaaS Software

Qualified

Accelerate sales, maximize your website's potential.

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4.6

25 verified reviews

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What is Qualified?

Qualified leverages the current website of companies to identify leads and get the best return on investment. This comprehensive developer assessment helps start meaningful sales conversation, convert outbound and digital adverts, and further analyse clues of buying intent. This software helps ...

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Free TrialTry Free →·

Qualified offers custom pricing plan

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Duo Security are Qualified (4.6★), Okta (4.3★), OTPfy. Compare all 3 alternatives side-by-side above.

When evaluating alternatives to Duo Security, prioritize: Compliance Management, Data Security, Two Factor Authentication (2FA), Audit Trail, Activity Management, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Duo Security starts from $3 /User/Month. Many alternatives offer similar functionality at different price points — some with free tiers, others with more flexible per-seat pricing. Use the filters above to narrow by budget.

Migration difficulty depends on how deeply Duo Security is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend shortlisting 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

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