Casdoor vs FusionAuth: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Casdoor and FusionAuth side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Casdoor
An open-source, UI-first identity and access management and single sign-on platform.
Best for you if:
- • You want a fully free tool (FusionAuth requires payment)
FusionAuth
Customer identity and access management
Best for you if:
- • You want self-hosted auth
| At a Glance | Casdoor | FusionAuth |
|---|---|---|
Starts at | Free 100% free | Free plan, paid from $125/mo, billed monthly Starter plan |
Category | Identity & Access Security | Identity & Access Security |
Rating | n/a | 4.6/5 G2 4.5 · SourceForge 4.7 161 reviews |
Free plan | Yes | Yes |
Choose Casdoor or FusionAuth?
Choose Casdoor if
- You want a fully free tool (FusionAuth requires payment)
- You want comprehensive support for various authentication standards and identity providers
- You want includes SaaS management capabilities for subscription businesses
Choose FusionAuth if
- You want self-hosted auth
- You want good features
In-Depth Analysis
Casdoor
An open-source, UI-first identity and access management and single sign-on platform.
Strengths
- Pro: Comprehensive support for various authentication standards and identity providers
- Pro: Includes SaaS management capabilities for subscription businesses
- Pro: Open-source and UI-first for ease of use and customization
- Pro: Scalable and performant for high-concurrency environments
- Pro: Well-documented integration process
Weaknesses
- Con: Requires technical expertise for deployment and advanced configuration
- Con: Reliance on community for additional provider requests
Key features
FusionAuth
Customer identity and access management
FusionAuth offers a generous free Community tier, making it highly accessible.
Strengths
- Pro: Self-hosted auth
- Pro: Good features
- Pro: SSO support
- Pro: Fair pricing
- Pro: Good documentation
Weaknesses
- Con: Self-hosting complexity
- Con: Learning curve
- Con: Enterprise expensive
- Con: Smaller than Auth0
- Con: Community smaller
Key features
Plans and prices: Casdoor vs FusionAuth
| Tool | Plans and prices | Source |
|---|---|---|
| Casdoor | No plan prices on file | casdoor.org |
| FusionAuth |
| fusionauth.io/pricing read Sep 28, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Casdoor pricing and FusionAuth pricing.
Key Takeaways
Casdoor
- Choose if you want an open-source, UI-first identity and access management and single sign-on platform
FusionAuth
- Choose if you want customer identity and access management
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only FusionAuth has a published user rating (4.6/5 from 161 reviews); Casdoor has none we can show.
- FusionAuth starts at $125/mo, billed monthly; Casdoor has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Casdoor and FusionAuth compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only FusionAuth has a published user rating (4.6/5 from 161 reviews); Casdoor has none we can show. FusionAuth starts at $125/mo, billed monthly; Casdoor has no public paid plan price on file. Both have a free plan.
What are Casdoor and FusionAuth used for?
Casdoor: An open-source, UI-first identity and access management and single sign-on platform. FusionAuth: Customer identity and access management.
What does Casdoor cost vs FusionAuth?
Casdoor is free. FusionAuth's cheapest paid plan is Starter at $125/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Sep 28, 2026.
What's the main difference between Casdoor and FusionAuth?
Casdoor's main strength: comprehensive support for various authentication standards and identity providers. FusionAuth's main strength: self-hosted auth.