Cal.com
Personio
| Feature | Cal.com | Personio |
|---|---|---|
| Pricing | Free / from $12/mo | Contact sales |
| Free Plan | ✓ Yes | ✗ No |
| Rating | 4.4 / 5 | 4.3 / 5 |
| Best For | developers, startups, agencies, privacy-conscious-teams | european-smbs, hr-managers, growing-companies, people-ops-teams |
| Founded | 2021 | 2015 |
| Scheduling | ✓ | ✗ |
| Self Hosting | ✓ | ✗ |
| Api | ✓ | ✗ |
| Webhooks | ✓ | ✗ |
| Round Robin | ✓ | ✗ |
| Collective Scheduling | ✓ | ✗ |
| Embed | ✓ | ✗ |
| Recruiting | ✗ | ✓ |
| Onboarding | ✗ | ✓ |
| Time Tracking | ✗ | ✓ |
| Absence Management | ✗ | ✓ |
| Payroll Prep | ✗ | ✓ |
| Performance Reviews | ✗ | ✓ |
✓ Cal.com Pros
- Open-source and self-hostable
- Unlimited event types on free plan
- Full API and webhook access
- White-label and embed options
✗ Cal.com Cons
- Self-hosting requires technical setup
- Fewer integrations than Calendly
- UI less polished than Calendly
✓ 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
The Verdict
Cal.com is built for developers and startups, with a focus on scheduling and self-hosting. Personio targets european smbs and hr managers and leads with recruiting and onboarding.
Personio uses custom enterprise pricing, while Cal.com starts at $12/mo — a tangible advantage for teams with a fixed budget.
Cal.com 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, Cal.com 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.