Duo Security vs Auth0: Which Should You Choose in 2026?
Choosing between Duo Security and Auth0 comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Duo Security
Multi-factor authentication for enterprises
Best for you if:
- • You need password managers features specifically
- • Duo Security is a multi-factor authentication platform for securing access to applications
- • It provides 2FA, device trust, and single sign-on with easy deployment across any app
Auth0
Identity platform for developers
Best for you if:
- • You want the higher-rated option (8.8/10 vs 8.3/10)
- • You need api tools features specifically
- • Industry-leading identity platform
- • Authentication and authorization as a service
| At a Glance |  Duo Security |  Auth0 |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | Password Managers | API Tools |
Rating | 83/100 | 88/100 |
| Feature | Duo Security | Auth0 |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | 83 | 88 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Password ManagersIdentity & Access | API ToolsIdentity & Access |
How Duo Security and Auth0 Compare
Duo Security
Multi-factor authentication for enterprises
Free tier available · 83/100 score
Auth0
Identity platform for developers
Free tier available · 88/100 score
Duo Security is a password managers tool. Auth0 is in api tools.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Duo Security
Want the highest-rated option?
Duo Security: 83/100. Auth0: 88/100.
Go with: Auth0
Value user reviews?
Neither has user reviews yet.
Go with: Auth0
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Duo Security is a password managers tool. Auth0 is in api tools. Pick the category that matches your needs.
How important are ratings?
Auth0 scores higher: 88/100 vs 83/100.
Key Takeaways
Auth0
- Higher score: 88/100 vs 83
- Free tier available
- Our pick for this comparison
Duo Security
- Better fit for password managers
The Bottom Line
Auth0 (88/100) is our pick.
Frequently Asked Questions
Is Duo Security or Auth0 better?
Auth0 scores 88/100 in our evaluation. Both are freemium.
What are Duo Security and Auth0 used for?
Duo Security: Multi-factor authentication for enterprises. Auth0: Identity platform for developers.
What does Duo Security cost vs Auth0?
Duo Security is freemium (free tier + paid plans). Auth0 is freemium (free tier + paid plans). Visit their websites for detailed pricing.