Compare Fusionauth

FusionAuth vs Clerk

Clerk is a tool for user management. However, the lack of transparent pricing, no control over releases and upgrades, limited support and hosting options may be something to look at for some teams.

True Data Isolation

Whether you choose FusionAuth Cloud or install us on your own servers, FusionAuth supports only your applications and your data.

Deploy Anywhere

FusionAuth is a universal solution that works wherever you need it. Any platform, any location, any device, any use.

Every Feature

Flexibility and control over hosting is a critical difference. you can either self-host in your infrastructure or We will host on a dedicated server within AWS.

Comparison Table

FusionAuth is built on modern technology so it's simple to deploy, configured and integrated. Just run our one-line Fast Path installer and we walk you through the rest, and much more.

Detailed Comparison
Authentication
Clerk
Passwordless
Multi-Factor Authentication
Single Sign On
Social Logins
Authorization
Clerk
OAuth 2
Open ID Connect
Machine to Machine
No
Rules and Access Control
JWT Support
SAML
Support & Hosting
Clerk
Custom Support & Uptime SLAs
Add-On
Managed Cloud Hosting
Self-Hosting
Control over Releases & Upgrades
Branding & Customization
Clerk
Basic UI Registration Forms
Multi-Page Registration Forms
HTML & CSS Editor
Plans & Packages
Clerk
MAU Limits Before Paid Plan
Unlimited MAU
10000
Transparent Pricing
No

Why Choose FusionAuth?

FusionAuth is built on modern technology so it's simple to deploy, configured and integrated. Just run our one-line Fast Path installer and we walk you through the rest, and much more.

Flexible Hosting

Flexibility and control over hosting is a critical difference. you can either self-host in your infrastructure or We will host on a dedicated server within AWS.

Engineering Support

Our Identity Experts are here to help you solve your identity challenges. You also count with the support of our active developer community.

Security First

Easily add common security features like login auditing, impossible travel detection, MFA and passkeys to applications. FusionAuth give people access to your application.

API Driven

FusionAuth Auth System is fully API driven, available as a docker image, and more customizable than cloud provider services like Cognito or Firebase.

Transparent Pricing

Our pricing is transparent and listed right on our website. No "Contact Sales" and pushy sales tactics here. You can download FusionAuth and use it for free.

In for The Long Haul

We're in this for the long haul. With thousands of installations and counting. FusionAuth Growing more everyday, and we aren't going anywhere.