Auth0
Enterprise-grade authentication and authorization
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Free up to 7k MAU, from $23/mo
Auth0 offers enterprise-grade authentication with support for every auth method imaginable. It’s battle-tested and widely used.
Best for solo founders building apps that need sophisticated auth features or enterprise compliance.
Pros
- ✓ Extremely feature-rich
- ✓ Good documentation
- ✓ All auth methods supported
Cons
- ✗ Complex for simple use cases
- ✗ Pricing jumps can be steep