Calendly is the most popular scheduling tool, but Cal.com is the open-source alternative that’s gaining traction. Both handle appointment booking, but they differ in pricing, features, and philosophy. Here’s an honest comparison for 2026.

📅 Pricing last verified: August 2026. We check and update pricing quarterly. If you notice a change, email us.

The Quick Answer

Calendly is better for teams that want the most polished, reliable scheduling experience with extensive integrations.

Cal.com is better for teams that want open-source flexibility, self-hosting options, and more generous free features.

Pricing Comparison (2026)

Plan	Calendly	Cal.com
Free	$0 (1 event type)	$0 (unlimited events)
Standard/Starter	$12/seat/mo	$15/seat/mo
Teams/Pro	$20/seat/mo	$30/seat/mo
Enterprise	Custom	Custom

Key difference: Cal.com’s free plan includes unlimited event types, while Calendly’s free plan only allows one event type.

Calendly: The Market Leader

Calendly is the scheduling tool that most people think of first. It’s polished, reliable, and has the largest user base.

What Calendly does best:

• User experience. Calendly’s booking pages are clean and professional. The experience for both the scheduler and the invitee is seamless.
• Integrations. 700+ integrations with Salesforce, HubSpot, Zoom, Google Calendar, Outlook, and more.
• Reliability. Calendly has been around since 2013 and has a proven track record. It just works.
• Team features. Round-robin scheduling, collective events, and routing forms for teams.
• Mobile app. Calendly’s mobile app is excellent for managing scheduling on the go.

What Calendly lacks:

• Free plan is limited. Only 1 event type on the free plan is restrictive.
• No self-hosting. Calendly is cloud-only. You can’t host it on your own servers.
• Less customizable. Calendly’s booking pages have limited customization compared to Cal.com.

Cal.com: The Open-Source Challenger

Cal.com is the open-source alternative to Calendly. It’s newer but growing fast, especially among developers and privacy-conscious teams.

What Cal.com does best:

• Generous free plan. Unlimited event types, workflows, and integrations on the free plan.
• Open-source. You can self-host Cal.com on your own servers for complete control over your data.
• Customization. Cal.com’s booking pages are highly customizable. You can white-label them completely.
• Workflows. Advanced workflow automations are included on all plans.
• API-first. Cal.com’s API is excellent for developers who want to build custom integrations.

What Cal.com lacks:

• Smaller user base. Cal.com is newer and has fewer users than Calendly. This means fewer reviews and less community support.
• Less polished. Cal.com’s user experience is good but not as polished as Calendly’s.
• Fewer integrations. Cal.com has 400+ integrations, less than Calendly’s 700+.
• Support. Cal.com’s support is good but not as extensive as Calendly’s enterprise support.

Feature Comparison

Feature	Calendly	Cal.com
Free plan	1 event type	Unlimited events
Booking pages	Clean, professional	Highly customizable
Integrations	700+	400+
Self-hosting	No	Yes
Workflows	Paid plans	All plans
API	Good	Excellent
Mobile app	Excellent	Good
Team features	Advanced	Good
White-labeling	No	Yes
Open-source	No	Yes

Which Teams Should Choose Calendly?

• Teams that want the most reliable scheduling experience
• Teams that need extensive Salesforce/HubSpot integrations
• Teams that don’t need self-hosting or open-source
• Teams that prioritize ease of use over customization
• Sales teams that need routing forms and round-robin

Which Teams Should Choose Cal.com?

• Teams that want open-source flexibility
• Teams that need self-hosting for data privacy
• Teams that want unlimited event types on the free plan
• Teams that need advanced workflow automations
• Developers who want API-first scheduling

The Real Cost: A Worked Example

Scenario 1: 5-person sales team

• Calendly Teams: 5 x $20/month = $100/month
• Cal.com Pro: 5 x $30/month = $150/month

Scenario 2: 5-person team that needs unlimited events

• Calendly Standard: 5 x $12/month = $60/month (but limited features)
• Cal.com Starter: 5 x $15/month = $75/month (unlimited events)

Scenario 3: Self-hosted Cal.com

• Cal.com Self-hosted: $0 (free, but you pay for hosting)
• Hosting costs: ~$20-50/month for a small team

Calendly is cheaper for teams that need advanced features. Cal.com is cheaper for teams that want unlimited events or self-hosting.

Which Should You Choose?

Choose Calendly if:

• You want the most reliable, polished scheduling experience
• You need extensive Salesforce/HubSpot integrations
• You don’t need self-hosting or open-source
• You prioritize ease of use over customization

Choose Cal.com if:

• You want open-source flexibility and self-hosting
• You need unlimited event types on the free plan
• You want advanced workflow automations
• You’re a developer who wants API-first scheduling

For most small teams, Calendly is the safer choice. It’s more established, has better integrations, and the user experience is more polished. But if you value open-source, privacy, or unlimited free features, Cal.com is the better fit.

Related reading: Calendly Pricing 2026 · Best Scheduling Tools for Dentists · HubSpot vs Salesforce vs Pipedrive · Calendly Pricing 2026 · Best Sales Engagement Platforms

FAQ

Is Cal.com really free? Yes, Cal.com’s cloud-hosted free plan includes unlimited event types, workflows, and integrations. Self-hosting is also free but requires technical setup.

Can I switch from Calendly to Cal.com? Yes, both tools support calendar integrations (Google, Outlook) so the transition is straightforward. You’ll need to recreate your booking pages and workflows.

Which is more secure? Both are secure. Cal.com’s self-hosting option gives you complete control over your data. Calendly is cloud-only but has strong security practices.

Does Cal.com integrate with Salesforce? Yes, Cal.com integrates with Salesforce, HubSpot, and other CRMs. The integration is good but not as mature as Calendly’s.

Which is better for developers? Cal.com. It’s open-source with an excellent API. Developers can customize everything and build custom integrations easily.