TL;DR:
- Calendly: mature, polished, $10-$16/user/month. Most popular scheduling tool.
- Cal.com: open-source alternative, free tier + $15/user/month, more customization, can self-host.
- Pick Calendly for reliability + ecosystem; Cal.com for cost savings, privacy, and customization.
Quick Comparison
| Feature | Calendly | Cal.com |
|---|---|---|
| Pricing | $0-$16/user/mo | $0-$15/user/mo + self-host free |
| Free tier | 1 event type | Unlimited event types |
| Open source | No | Yes (AGPL) |
| Self-hosting | No | Yes |
| Apps / integrations | Yes (mature) | Yes (growing) |
| Calendar sync | Google, Outlook, iCloud | Google, Outlook, iCloud, Cal DAV |
| Workflow automation | Yes (Calendly Workflows) | Yes |
| API | Yes | Yes (better) |
| Best for | Most users | Tech-savvy, privacy-focused |
Calendly — Pros
- Mature, reliable, polished UX.
- Largest user base (network effects).
- Most integrations.
- Great mobile apps.
- Better customer support.
Calendly — Cons
- Free tier limited (1 event type).
- Closed source — no self-host option.
- Pricing per-user adds up for teams.
- Privacy concerns (data on Calendly servers).
Cal.com — Pros
- Open source — self-host for free.
- Better free tier (unlimited event types).
- More customization (CSS, branding).
- Privacy-focused (you control data).
- Better API for developers.
- Faster growing community + features.
Cal.com — Cons
- Less mature than Calendly.
- Some bugs / edge cases.
- Smaller integration library.
- Self-hosting requires technical skills.
- Customer support varies.
Cost Comparison
Team of 5 using scheduling tool:
| Tool | Per user | Total / month | Total / year |
|---|---|---|---|
| Calendly Standard | $10 | $50 | $600 |
| Calendly Teams | $16 | $80 | $960 |
| Cal.com Pro | $15 | $75 | $900 |
| Cal.com Self-Hosted | $0 + $5/mo server | $5 | $60 |
Self-hosted Cal.com saves $500-$900/year for a team of 5.
Which Should You Choose?
| Goal | Best fit |
|---|---|
| Just need basic scheduling | Calendly free or Cal.com free |
| Most reliable + polished | Calendly |
| Self-host for privacy | Cal.com |
| Open-source values | Cal.com |
| Save money at scale | Cal.com (self-hosted) |
| Need custom workflows | Cal.com (better API) |
| Beginner / non-technical | Calendly |
Frequently Asked Questions
Is Cal.com really free?
Cal.com Cloud has free tier. Self-hosted version is fully free (you pay server costs).
Can I migrate from Calendly to Cal.com?
Yes — Cal.com has migration tools. Manual: recreate event types, share new link.
Self-hosting Cal.com — is it complex?
Moderate technical skills needed. Docker / Vercel deployment available. ~30 minutes for technical user.
Which has better mobile experience?
Calendly's mobile apps are more polished. Cal.com's mobile improving rapidly.
Are integrations comparable?
Calendly has more (~100 native). Cal.com has Zapier + ~50 native. Both cover essentials.
Key Takeaways
- Calendly: mature, $10-$16/user/mo, polished.
- Cal.com: open-source, free + paid, customizable, self-host option.
- Both work well for most use cases.
- Calendly for reliability; Cal.com for cost / privacy / customization.
- Self-hosted Cal.com saves $500-$900/year for teams.
Drive bookings from one link
Add a UniLink URL to your bios — features Calendly / Cal.com + other platforms. Free.