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 wins this matchup. Our overall Identity & Access pick is 1Password. Our free Identity & Access pick is Swiftlane. Pick OneLogin if you need security.
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 a free tier before you commit
- • You want self-hosted auth
- • You want good features
OneLogin
Identity and access management platform
Best for you if:
- • You want easy to deploy
- • You want good integration library
| At a Glance | FusionAuth | OneLogin |
|---|---|---|
Starts at | FreeFree tier available | $4/moStarter |
Best For | Identity & Access | Security |
Rating | 4.6/5 | 4.5/5 |
Free plan | Yes | No |
Choose FusionAuth or OneLogin?
Choose FusionAuth if
Customer identity and access management
- You want a free tier before you commit
- You want self-hosted auth
- You want good features
- Your work is identity & access-shaped, not security-shaped
Choose OneLogin if
Identity and access management platform
- You want easy to deploy
- You want good integration library
- Your work is security-shaped, not identity & access-shaped
| Feature | FusionAuth | OneLogin |
|---|---|---|
| Pricing Model | Freemium | Paid |
| User Rating | ★4.6/5 161 reviews | ★4.5/5 384 reviews |
| Categories | Identity & AccessSecurity | SecurityIdentity & Access |
In-Depth Analysis
FusionAuth
Customer identity and access management
FusionAuth offers a generous free Community tier, making it highly accessible.
Watch out
Potential for MAU overage fees (not specified)
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
OneLogin
Identity and access management platform
OneLogin's pricing is quite competitive, with the Starter tier at $4/month offering essential IAM features at a very accessible price point.
Watch out
Potential add-ons for specific integrations
Strengths
- +Easy to deploy
- +Good integration library
- +Strong security
Weaknesses
- -Price increases with features
- -Some UI complexity
Key features
Pricing: FusionAuth vs OneLogin
| Plan | FusionAuth | OneLogin |
|---|---|---|
| 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?
FusionAuth: 4.6/5 (161 reviews). OneLogin: 4.5/5 (384 reviews).
Go with: FusionAuth
Value user reviews?
FusionAuth: 161 reviews (4.6/5). OneLogin: 384 reviews (4.5/5).
Go with: OneLogin
3 Questions to Help You Decide
What's your budget?
FusionAuth is freemium. OneLogin is paid. FusionAuth lets you start free.
What's your use case?
FusionAuth is a identity & access tool. OneLogin is in security. Pick the category that matches your needs.
How important are ratings?
FusionAuth is rated higher: 4.6/5 vs 4.5/5.
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 (384 reviews)
- Better fit for security
The Bottom Line
FusionAuth wins this matchup. Our overall Identity & Access pick is 1Password. Our free Identity & Access pick is Swiftlane.
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.