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Auth0 vs Really Simple Systems: 2026 Comparison

Auth0 Really Simple Systems
Overview A flexible authentication and authorization platform for building secure login experiences with social, passwordless, and MFA support. A straightforward cloud CRM designed for small businesses and teams running B2B operations.
Pricing Freemium (Free-$23/1K MAU) Freemium (Free-$46/user/month)
Key Features
  • Universal Login
  • Social connections
  • MFA
  • Passwordless
  • SSO
  • RBAC
  • Breached password detection
  • Extensibility
  • Contact management
  • Sales pipeline
  • Marketing tools
  • Service desk
  • Custom reports
  • Email integration
  • API access
  • GDPR compliance
Pros
  • Comprehensive auth solution
  • Many social providers
  • Good documentation
  • Flexible rules
  • Very easy to use
  • Affordable
  • Good customer support
  • GDPR focused
Cons
  • Expensive at scale
  • Complex pricing
  • Can be overkill
  • Okta acquisition concerns
  • Limited features
  • Basic interface
  • Not for larger teams
  • Few advanced automations

Auth0

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Really Simple Systems

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