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FusionAuth vs OneLogin: Which is Better in 2026?

Choosing between FusionAuth and OneLogin 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.

Bottom line: FusionAuth is our overall pick for identity & access workflows. Pick OneLogin if you need security.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked May 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

FusionAuth

Customer identity and access management

Best for you if:

  • • You want to try before committing
  • • You need identity & access features specifically
  • FusionAuth is a complete identity platform for authentication and authorization
  • It provides login, registration, SSO, and user management with self-hosting options

OneLogin

Identity and access management platform

Best for you if:

  • • You need security features specifically
  • • You need identity and access management platform
  • • You need professional-grade features
At a Glance
FusionAuthFusionAuth
OneLoginOneLogin
Starts at
$0/moCommunity
$4/moStarter
Best For
Identity & AccessSecurity
Rating
--

Choose FusionAuth or OneLogin?

FusionAuth

Choose FusionAuth if

Customer identity and access management

  • Self-hosted auth
  • Good features
  • SSO support
  • Your work is identity & access-shaped, not security-shaped
OneLogin

Choose OneLogin if

Identity and access management platform

  • Easy to deploy
  • Good integration library
  • Strong security
  • Your work is security-shaped, not identity & access-shaped
FeatureFusionAuthOneLogin
Pricing ModelFreemiumPaid
User Rating
4.6/5
179 reviews
4.5/5
379 reviews
Categories
Identity & AccessSecurity
SecurityIdentity & Access

In-Depth Analysis

FusionAuthFusionAuth

Customer identity and access management

Strengths

  • +Self-hosted auth
  • +Good features
  • +SSO support
  • +Fair pricing
  • +Good documentation

Weaknesses

  • -Self-hosting complexity
  • -Learning curve
  • -Enterprise expensive
  • -Smaller than Auth0
  • -Community smaller

Key features

Customer identitySSOMFASelf-hostedScalableDeveloper friendly
Starts at $0/mo

OneLoginOneLogin

Identity and access management platform

Strengths

  • +Easy to deploy
  • +Good integration library
  • +Strong security

Weaknesses

  • -Price increases with features
  • -Some UI complexity

Key features

Single sign-onMulti-factor authenticationUser provisioningDirectory integrationCompliance reportingAPI access
Starts at $4/mo

Pricing: FusionAuth vs OneLogin

PlanFusionAuthOneLogin
Tier 1
$0
Community
$4
Starter
Tier 2
$125
Starter
$8
Enterprise
Tier 3
$850
Essentials
N/A
Tier 4
$3300
Enterprise
N/A

Pricing verified from each vendor's public pricing page. Compare in detail on FusionAuth pricing and OneLogin pricing.

Who Should Use What?

On a budget?

FusionAuth has a free tier. OneLogin is paid only.

Go with: FusionAuth

Want the highest-rated option?

Neither has user reviews yet.

Go with: FusionAuth

Value user reviews?

Neither has user reviews yet.

Go with: FusionAuth

3 Questions to Help You Decide

1

What's your budget?

FusionAuth is freemium. OneLogin is paid. FusionAuth lets you start free.

2

What's your use case?

FusionAuth is a identity & access tool. OneLogin is in security. Pick the category that matches your needs.

3

How important are ratings?

Neither has user reviews yet.

Key Takeaways

FusionAuth

  • Higher user rating: 4.6/5 vs 4.5/5
  • Free tier available
  • Our pick for this comparison

OneLogin

  • Larger review base (379 reviews)
  • Better fit for security

The Bottom Line

FusionAuth is our pick.

Frequently Asked Questions

Is FusionAuth or OneLogin better?

FusionAuth is rated in our evaluation. FusionAuth is freemium and OneLogin is paid.

What are FusionAuth and OneLogin used for?

FusionAuth: Customer identity and access management. OneLogin: Identity and access management platform.

What does FusionAuth cost vs OneLogin?

FusionAuth is freemium (free tier + paid plans). OneLogin is a paid tool. Visit their websites for detailed pricing.

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