Duo Security vs KnowBe4: Complete Comparison (2026)
Updated: March 7, 20268 min read
VS
Quick Comparison
Duo Security
KnowBe4
Starting Price
$3/user/mo
$18/user/yr
Free Plan
Yes
No
Users
50K+ orgs
65K+ orgs
Founded
2010
2010
Rating
4.6/5
4.6/5
Best For
Organizations wanting easy-to-deploy MFA for all e...
Companies training employees to recognize and avoi...
Feature-by-Feature Comparison
Duo SecurityKnowBe4
94Ease of Use91
96Features96
96Value for Money90
87Customer Support87
89Integrations89
90Mobile App90
AI Verdict
Duo Security leads with a ToolScout Score of 92 vs 92 for KnowBe4. Duo Security is best suited for Organizations wanting easy-to-deploy MFA for all employees, while KnowBe4 excels for Companies training employees to recognize and avoid phishing attacks. Both are strong options in the Cybersecurity space.
CHOOSE DUO SECURITY IF:
Organizations wanting easy-to-deploy MFA for all employees.
CHOOSE KNOWBE4 IF:
Companies training employees to recognize and avoid phishing attacks.
Frequently Asked Questions
Is Duo Security better than KnowBe4?
Duo Security scores 92/100 on ToolScout compared to KnowBe4's 92/100. However, the best choice depends on your specific needs. Duo Security is best for Organizations wanting easy-to-deploy MFA for all employees. KnowBe4 is best for Companies training employees to recognize and avoid phishing attacks.
Does Duo Security have a free plan?
Yes, Duo Security offers a free plan. Paid plans start from $3/user/mo.
Does KnowBe4 have a free plan?
No, KnowBe4 does not offer a free plan. Plans start from $18/user/yr.
Can I migrate from Duo Security to KnowBe4?
Migration between Duo Security and KnowBe4 depends on the specific features you use. Both tools are in the Cybersecurity category. Check each tool's import/export options for data portability before switching.