Personio
Windmill
| Feature | Personio | Windmill |
|---|---|---|
| Pricing | Contact sales | Free / from $10/mo |
| Free Plan | ✗ No | ✓ Yes |
| Rating | 4.3 / 5 | 4.4 / 5 |
| Best For | european-smbs, hr-managers, growing-companies, people-ops-teams | developers, devops-teams, internal-tools, data-pipelines |
| Founded | 2015 | 2022 |
| Recruiting | ✓ | ✗ |
| Onboarding | ✓ | ✗ |
| Time Tracking | ✓ | ✗ |
| Absence Management | ✓ | ✗ |
| Payroll Prep | ✓ | ✗ |
| Performance Reviews | ✓ | ✗ |
| Workflow Editor | ✗ | ✓ |
| Script To Ui | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Approval Flows | ✗ | ✓ |
| Multi Language | ✗ | ✓ |
| Self Hostable | ✗ | ✓ |
| Audit Logs | ✗ | ✓ |
✓ Personio Pros
- All-in-one HR for SMBs
- Strong European compliance (GDPR)
- Intuitive self-service for employees
- Good integrations with payroll providers
✗ Personio Cons
- Pricing not transparent
- Best suited for European companies
- Can be complex to initially configure
✓ 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
Personio is built for european smbs and hr managers, with a focus on recruiting and onboarding. Windmill targets developers and devops teams and leads with workflow-editor and script-to-ui.
Personio uses custom enterprise pricing, while Windmill starts at $10/mo — a tangible advantage for teams with a fixed budget.
Windmill has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Personio requires a paid subscription from day one.
Feature-wise, Windmill offers broader built-in capabilities (7 features vs 6), while Personio takes a more focused approach — which can mean a simpler, faster onboarding experience.
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.