Calendly vs Cal.com vs Acuity 2026

TL;DR

In 2026, Calendly remains the default choice for sales teams and solo professionals who want a polished, no-fuss scheduling link that just works. Cal.com is the best choice for developers and tech-forward teams who want full customization, self-hosting, or API-first scheduling integration — and it's open source. Acuity Scheduling (owned by Squarespace) wins for service businesses that need appointment management with payment processing, memberships, and detailed client profiles. Price-wise, Cal.com's free individual plan and $15/user/month team plan undercut Calendly significantly.

Key Takeaways

Calendly pricing: Free individual plan, $10/user/month (Standard), $16/user/month (Teams)
Cal.com pricing: Free individuals, $15/user/month teams — plus fully free self-hosted OSS version
Acuity pricing: $20/month (Emerging), $34/month (Growing), $61/month (Powerhouse) — no per-user model
Best open source: Cal.com — MIT licensed, self-hostable, API-first
Best for service businesses: Acuity — gift certificates, memberships, payment plans, intake forms
Best for sales teams: Calendly — round-robin, routing forms, HubSpot/Salesforce native integration

The Scheduling Tool Landscape in 2026

Scheduling tools have become infrastructure for B2B sales and service businesses — a category where "book a call" is literally the conversion event. The market is mature but not commoditized: each of the three major platforms has evolved distinct strengths, and the choice matters more than it appears.

Two developments reshaped the landscape in 2025–2026:

Cal.com's enterprise traction. Cal.com, founded in 2021 as an open-source Calendly alternative, crossed 30,000 GitHub stars and began landing enterprise contracts. Its developer-first positioning — full API, webhooks, self-hosting, white-label — has driven adoption in tech companies that want scheduling as an embedded feature in their own products.
Acuity's Squarespace integration deepened. Acuity has become a first-class citizen in the Squarespace ecosystem, with seamless embedding and shared billing. For businesses already on Squarespace (particularly service businesses in health, wellness, fitness, and professional services), Acuity is now effectively bundled.

Pricing Comparison

Calendly

Plan	Price	Key Features
Free	$0	1 event type, basic booking page
Standard	$10/user/month	Unlimited event types, reminders, integrations
Teams	$16/user/month	Round-robin, collective, routing forms
Enterprise	Custom	SSO, admin controls, Salesforce/HubSpot native

Calendly's free plan is genuinely functional for individual use but caps at one event type — you can't have both a "30-min call" and a "60-min consultation" on the free tier. The jump to $10/month unlocks unlimited event types, email/SMS reminders, and 700+ Zapier integrations.

The Teams plan at $16/user/month is where Calendly differentiates in sales environments: round-robin scheduling routes new meetings to the least-busy rep, routing forms qualify prospects before showing availability, and collective scheduling books calls where multiple team members must be available simultaneously.

Cal.com

Plan	Price	Key Features
Free (Individual)	$0	Unlimited event types, unlimited bookings
Teams	$15/user/month	Round-robin, routing, workflows
Enterprise	Custom	White-label, SLA, SSO
Self-hosted OSS	Free	Everything, run your own infrastructure

Cal.com's free individual plan is dramatically more generous than Calendly's — unlimited event types, unlimited bookings, and unlimited calendar connections at zero cost. The teams plan at $15/user/month is also $1/user cheaper than Calendly Teams, with comparable features.

The differentiator: self-hosted open source. Cal.com on GitHub (MIT license) lets companies run their own scheduling infrastructure. This matters for:

Companies embedding scheduling inside their own SaaS products
Organizations with data residency requirements
Developers who want to modify the scheduling flow or UI to match their brand

Cal.com's API-first approach means every scheduling action is available as an API endpoint, making it possible to build fully custom booking experiences that Cal.com powers behind the scenes.

Acuity Scheduling

Plan	Price	Users
Emerging	$20/month	1 calendar
Growing	$34/month	6 calendars
Powerhouse	$61/month	36 calendars

Acuity's pricing model is fundamentally different — flat monthly rates tied to calendar count, not per user. This benefits service businesses where staff count varies but the booking interface is owned centrally (a spa, a gym, a consulting firm).

Acuity's feature differentiation:

Payment processing at booking time (Stripe, Square, PayPal)
Gift certificates and packages — customers buy 5 sessions in advance
Membership plans — recurring billing for access to your calendar
Client intake forms — HIPAA-compliant intake (Powerhouse plan) for healthcare professionals
Squarespace integration — embed directly in Squarespace website with shared branding and billing

Feature Comparison

Feature	Calendly	Cal.com	Acuity
Free individual plan	✅ (1 event type)	✅ Unlimited	❌ No
Round-robin routing	✅ Teams plan	✅ Teams plan	✅ Yes
Self-hosted / OSS	❌ No	✅ MIT licensed	❌ No
Payment at booking	✅ Stripe (paid plan)	✅ Stripe	✅ Stripe/Square/PayPal
Memberships	❌ No	❌ No	✅ Yes
Gift certificates	❌ No	❌ No	✅ Yes
HIPAA compliance	❌ No	❌ No	✅ Powerhouse plan
API access	✅ Yes	✅ Full REST	✅ Yes
White-label	❌ Limited	✅ Enterprise	✅ Limited
HubSpot integration	✅ Native	✅ Via API	✅ Via Zapier
Salesforce integration	✅ Native	✅ Yes	✅ Via Zapier
Embedding	✅ Popup/inline	✅ Full embed	✅ Squarespace native

Use Case Recommendations

Sales and Revenue Teams → Calendly

Calendly's deepest investment has been in B2B sales workflows. The HubSpot and Salesforce native integrations automatically log meetings, create contacts, and update pipeline stages. Routing forms let visitors answer qualification questions before seeing a calendar, ensuring demos only land with qualified prospects. The round-robin logic is battle-tested across thousands of SDR teams.

Developer Teams and SaaS Products → Cal.com

If you're building a product where scheduling is a feature (not just a meeting tool), Cal.com's API-first design is the right foundation. Embedding a booking experience inside your own dashboard — with your branding, your database storing booking records, and your UI — is straightforward with Cal.com's embeddable components.

Open-source self-hosting makes Cal.com the only option for companies that need scheduling without sending customer data to a third-party cloud service.

Service Businesses → Acuity

Health and wellness, fitness studios, consulting firms, photographers, legal professionals — any business where the booking is the product and needs to support packages, memberships, and intake forms. Acuity's architecture was built for this pattern. Calendly and Cal.com feel bolted-on for service businesses; Acuity feels native.

Migration Notes

Switching scheduling tools is less painful than most SaaS migrations. The main considerations:

Existing bookings: Export upcoming appointments from the old platform and import to new calendar software to preserve records
Embed links: Update booking links on your website, email signatures, LinkedIn profile, and CRM
Zapier/Make workflows: Rebuild any automations that trigger from new booking events
Time zone settings: Double-check time zone handling — bugs in this area are the most common cause of scheduling disasters during migration

Methodology

Pricing from official pricing pages as of March 2026
Feature comparison from official documentation
Market positioning insights from Cal.com blog, Koalendar, and Calendly comparison pages

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