SuperTokens
Windmill
| Feature | SuperTokens | Windmill |
|---|---|---|
| Pricing | Free / from $0.02/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | saas-developers, startups, privacy-focused-apps, self-hosters | developers, devops-teams, internal-tools, data-pipelines |
| Founded | 2019 | 2022 |
| Email Password | ✓ | ✗ |
| Social Login | ✓ | ✗ |
| Passwordless | ✓ | ✗ |
| Mfa | ✓ | ✗ |
| Session Management | ✓ | ✗ |
| Pre Built Ui | ✓ | ✗ |
| Self Hostable | ✓ | ✓ |
| Workflow Editor | ✗ | ✓ |
| Script To Ui | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Approval Flows | ✗ | ✓ |
| Multi Language | ✗ | ✓ |
| Audit Logs | ✗ | ✓ |
✓ SuperTokens Pros
- Open-source with free self-hosting
- Pre-built UI components for quick integration
- Session management with anti-CSRF protection
- Multiple auth methods (email, social, passwordless, MFA)
✗ SuperTokens Cons
- Smaller ecosystem than Auth0 or Firebase Auth
- Documentation has gaps for complex setups
- Limited admin dashboard features
✓ Windmill Pros
- Open-source and self-hostable
- Supports Python, TypeScript, Go, Bash, SQL natively
- Auto-generates UI from script parameters
- Excellent scheduling and workflow orchestration
✗ Windmill Cons
- Smaller community than Zapier/n8n
- Self-hosting requires infrastructure knowledge
- Less polished documentation for beginners
The Verdict
SuperTokens is built for saas developers and startups, with a focus on email-password and social-login. Windmill targets developers and devops teams and leads with workflow-editor and script-to-ui.
On pricing, SuperTokens is the clear winner for budget-conscious users — starting at $0.02/mo compared to $10/mo for Windmill. That $9.98/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.