Auth0 vs Casdoor: 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 Auth0 and Casdoor 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:
Auth0
Identity platform for developers
Best for you if:
- • You want easy integration
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 (Auth0 requires payment)
| At a Glance | Auth0 | Casdoor |
|---|---|---|
Starts at | Free plan, paid from $35/mo, billed monthly Essentials plan | Free 100% free |
Category | Identity & Access Security | Identity & Access Security |
Rating | 4.5/5 G2 4.3 · Capterra 4.7 424 reviews | n/a |
Free plan | Yes | Yes |
Watch out for | Overage pricing at $0.07/MAU applies per user beyond the base limit. | n/a |
Choose Auth0 or Casdoor?
Choose Auth0 if
- You want easy integration
- You want many features
Choose Casdoor if
- You want a fully free tool (Auth0 requires payment)
- You want comprehensive support for various authentication standards and identity providers
- You want includes SaaS management capabilities for subscription businesses
In-Depth Analysis
Auth0
Identity platform for developers
Auth0's free tier at 25,000 MAUs is the most generous in the identity space, far ahead of Firebase Auth (free at 50K MAUs but with fewer features) and Clerk (500 MAUs free).
Watch out
Overage pricing at $0.07/MAU applies per user beyond the base limit.
Strengths
- Pro: Easy integration
- Pro: Many features
- Pro: Great docs
Weaknesses
- Con: Expensive at scale
- Con: Complex pricing
Key features
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
Plans and prices: Auth0 vs Casdoor
| Tool | Plans and prices | Source |
|---|---|---|
| Auth0 |
| auth0.com/pricing read Oct 22, 2026 |
| Casdoor | No plan prices on file | casdoor.org |
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 Auth0 pricing and Casdoor pricing.
Key Takeaways
Auth0
- Choose if you want identity platform for developers
Casdoor
- Choose if you want an open-source, UI-first identity and access management and single sign-on platform
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 Auth0 has a published user rating (4.5/5 from 424 reviews); Casdoor has none we can show.
- Auth0 starts at $35/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 Auth0 and Casdoor 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 Auth0 has a published user rating (4.5/5 from 424 reviews); Casdoor has none we can show. Auth0 starts at $35/mo, billed monthly; Casdoor has no public paid plan price on file. Both have a free plan.
What are Auth0 and Casdoor used for?
Auth0: Identity platform for developers. Casdoor: An open-source, UI-first identity and access management and single sign-on platform.
What does Auth0 cost vs Casdoor?
Auth0's cheapest paid plan is Essentials at $35/mo, billed monthly; it also has a free plan. Casdoor is free. Prices read on the vendors' pricing pages, latest check Oct 22, 2026.
What's the main difference between Auth0 and Casdoor?
Auth0's main strength: easy integration. Casdoor's main strength: comprehensive support for various authentication standards and identity providers.