Keycloak vs Stytch: Which is Better in 2026?
Choosing between Keycloak and Stytch 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: Keycloak wins this matchup. LastPass is our overall Identity & Access pick. LastPass is our free Identity & Access pick. Pick Stytch if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Keycloak
Open-source identity and access management
Best for you if:
- • You want a fully free tool (Stytch requires payment)
- • You want open source identity
- • You want self-hostable
Stytch
Authentication infrastructure for developers
Best for you if:
- • You want passwordless auth
- • You want good documentation
| At a Glance | Stytch | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Identity & Access | Identity & Access |
Rating | - | 4.8/5G2 4.8 |
Free plan | Yes | Yes |
Watch out for | n/a | No explicit mention of overage fees beyond MAU |
Choose Keycloak or Stytch?
Choose Keycloak if
Open-source identity and access management
- You want a fully free tool (Stytch requires payment)
- You want open source identity
- You want self-hostable
Choose Stytch if
Authentication infrastructure for developers
- You want passwordless auth
- You want good documentation
| Feature | Keycloak | Stytch |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | No ratings yet | ★4.8/5 37 reviews |
| Categories | Identity & AccessSecurity | Identity & AccessAPI Tools |
In-Depth Analysis
Keycloak
Open-source identity and access management
Keycloak's pricing is exceptionally generous, being entirely free as an open-source solution.
Strengths
- +Open source identity
- +Self-hostable
- +Feature rich
- +No per-user cost
- +Enterprise ready
Weaknesses
- -Complex to set up
- -Requires maintenance
- -Learning curve
- -Java-based
- -UI dated
Key features
Stytch
Authentication infrastructure for developers
Stytch's pricing is quite fair and generous, especially with a robust free tier offering 5,000 MAUs.
Watch out
No explicit mention of overage fees beyond MAU
Strengths
- +Passwordless auth
- +Good documentation
- +Active development
- +Good features
- +Developer friendly
Weaknesses
- -Per-MAU pricing
- -Can get expensive
- -Learning curve
- -Vendor lock-in
- -Better alternatives exist
Key features
Pricing: Keycloak vs Stytch
| Plan | Keycloak | Stytch |
|---|---|---|
| Tier 1 | Free Open Source | Free Free |
| Tier 2 | N/A | $0.05 /MAU Pro |
| Tier 3 | N/A | custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Keycloak pricing and Stytch pricing.
Who Should Use What?
On a budget?
Keycloak is free. Stytch is freemium.
Go with: Keycloak
Want the highest-rated option?
Stytch is rated 4.8/5. Keycloak has no ratings yet.
Go with: Stytch
Value user reviews?
Keycloak: no ratings yet. Stytch: 37 reviews (4.8/5).
Go with: Stytch
3 Questions to Help You Decide
What's your budget?
Keycloak is free. Stytch is freemium. Go with Keycloak if free matters most.
What's your use case?
Both are identity & access tools. Compare their specific features to decide.
How important are ratings?
Stytch is rated 4.8/5; Keycloak has no ratings yet.
Key Takeaways
Keycloak
- Completely free
- Our pick for this comparison
Stytch
- Choose if you want authentication infrastructure for developers
The Bottom Line
Keycloak wins this matchup. LastPass is our overall Identity & Access pick. LastPass is our free Identity & Access pick.
Frequently Asked Questions
Is Keycloak or Stytch better?
Keycloak is rated in our evaluation. Keycloak is free and Stytch is freemium.
What are Keycloak and Stytch used for?
Keycloak: Open-source identity and access management. Stytch: Authentication infrastructure for developers.
What does Keycloak cost vs Stytch?
Keycloak is completely free. Stytch is freemium (free tier + paid plans). Visit their websites for detailed pricing.