Auth0 Single Sign On vs UserLock: side-by-side comparison (2026)
Auth0 Single Sign On is a commercial access management solution by Auth0. UserLock is a commercial MFA & passwordless solution by IS Decisions. Features, integrations, deployment and the company behind each one, side by side.
Our take
What our shortlists say about the one we picked.
- Auth0 Single Sign On
Best for: Product teams adding login to customer-facing apps
Auth0 fits customer identity and startup-to-enterprise product teams better than it fits internal workforce access. Teams choosing it for employee SSO should compare the workforce-specific products above first.
From Best Access Management Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
KnocknocSponsored
Hi Citrix. Hide VPNs. Hide Windows on a LAN. Knocknoc solves this. Just in time identity linked allow-listing. DIY, on-premise or SaaS. Prevent attacks fast.
VisitSSO platform enabling users to authenticate once across multiple applications
IAM solution for Active Directory with MFA, SSO, and context-based access controls.
Side-by-side comparison
Feature
Auth0 Single Sign On
UserLock
Pricing model
Commercial
Commercial
Category
Access Management
MFA & Passwordless
Deployment and fit
Deployment type
Cloud
Hybrid
Company size fit
Startup, SMB, Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Company
Company
Auth0
IS Decisions
Use cases and capabilities
Single Sign On
Yes
Yes
Authentication
Yes
Yes
MFA
Yes
Yes
Authorization
Yes
No
Active Directory
No
Yes
Multi Tenancy
No
Yes
Core features
10 features listed
No features listed
Integrations
No integrations listed
6 integrations listed
Need help choosing?
See more solutions in this category, or build a security stack from your picks.
