FusionAuth vs WorkOS: Features, Pricing and User Reviews 2026

FusionAuth offers flexible pricing to match different needs and deployment preferences.

Self-Hosted is completely free with unlimited users. Download and run FusionAuth on your own infrastructure with no ongoing costs. You get all core authentication features, making it perfect for development, testing, and production environments where you want full control.

Basic Plan starts at $37 per month and provides a single cloud server instance, ideal for development and testing environments. It includes one custom domain and basic cloud hosting.

Business Plan costs $225 per month and offers a dedicated server with nightly backups, availability across multiple zones, and support for up to five custom domains. This plan suits most production applications.

High Availability Plan begins at $500 per month with redundant servers, configurable backups, and up to 99.99% uptime guarantee with the Enterprise support plan. This includes 20 custom domains and deployment in any AWS region.

WorkOS uses a flexible pricing model where you pay only for what you use, with volume discounts applied automatically.

AuthKit provides user management for free up to one million monthly active users. After that, the cost is $2,500 per month for each additional million users.

Single Sign-On and Directory Sync both charge per enterprise connection. The first connection costs $125 monthly, with discounts as you add more. Pricing drops to $100 per connection for 16-30 connections, $80 for 31-50 connections, $65 for 51-100 connections, and $50 per connection beyond 100.

Audit Logs charges $125 monthly per security monitoring connection, plus $99 per million events stored.

Radar includes the first 1,000 security checks free monthly, then $100 per 50,000 additional checks.

For larger teams, WorkOS offers annual credit packages with pre-payment discounts, guaranteed uptime, and dedicated support.