As of 29 Oct 2026, the panel rates Cal.com 3.5/5 and Calendly 3.5/5 in Appointment Scheduling. Weighted by what each judge cares about, 4 of the 6 judges pick Cal.com and 2 pick Calendly. Cal.com scores higher on 4 of 7 criteria (Integrations, API & data export, Booking page & client experience, Calendar sync & availability rules, plus 1 more). Calendly scores higher on 2 of 7 criteria (Team, staff & location scheduling and Pricing transparency). Provenance — Cal.com: Rest of world, United States; Calendly: Rest of world. Ratings are the AI panel’s opinion, formed from public evidence: how scores are made.
Cal.com and Calendly split this bench rather than settle it. Calendly takes team scheduling, 9.2 to 8.0 — 6 judges lean Calendly, 0 tie — on configurable round-robin distribution, routing on Salesforce ownership, SSO/SAML, SCIM provisioning and an audit log. Cal.com takes integrations and data, 8.8 to 7.7, 5 judges lean Cal.com, on a documented v2 API, webhooks across 31 trigger types and two-way Salesforce and HubSpot sync. Sovereignty ties at 4.0, 0 lean either way, 6 tie: both list a US legal entity jurisdiction; Cal.com's pages state US processing with EU residency only on contact, and we found no public information on EU hosting for Calendly. Pricing transparency is 5.7 versus 5.8; booking 6.7 versus 6.3, calendar 6.7 versus 6.5, reminders 6.2 versus 6.0. The reported weighted totals split evenly — Calendly 7.5 to 7.1 and 6.4 to 6.3, Cal.com 6.6 to 6.4 and 6.4 to 6.2 — no overall winner.
Choose Cal.com if
You need to build scheduling into your own systems on a documented v2 API with webhooks across 31 trigger types — integrations and data scored 8.8 versus 7.7, with 5 judges leaning Cal.com.
Your team needs two-way Salesforce and HubSpot sync plus self-serve export of customer data at any time, both cited in Cal.com's integrations and data verdict.
You want open-source scheduling infrastructure you can self-host, as the verdict describes Cal.com.
You need EU data residency even if arranged by contact: Cal.com's pages state EU residency on contact, with a data processing agreement on every account, standard contractual clauses and an EU representative in Germany, while we found no public information on EU hosting for Calendly.
Your buyer profile matches the consultant or the data protection officer — their weighted totals went to Cal.com, 6.6 to 6.4 and 6.4 to 6.2.
Choose Calendly if
You need round-robin scheduling with a configurable distribution method and CSV-exportable distribution statistics — team scheduling scored 9.2 versus 8.0, with 6 judges leaning Calendly and 0 tie.
Your sales team routes inbound leads on Salesforce ownership, which Calendly's routing forms support per the verdict.
You need SSO/SAML, SCIM provisioning and an audit log for IT review, all named in Calendly's team scheduling verdict.
You are a sales team lead — that judge's weighted total went to Calendly, 7.5 to 7.1.
You want published pricing at Standard $10 /seat/mo and Teams $16 /seat/mo billed yearly — pricing transparency's only judge lean went to Calendly (5.8 versus 5.7).
Read this comparison as one judge. Each weighs the same scores by what they care about.
The Skeptic
Has seen "free forever" booking pages that put the vendor's logo in front of every client, SMS reminders that turn out to be credits sold separately, round-robin and payments locked in the top tier, and calendar sync that reads far more than free and busy. Reads the price list for what scales per seat, the subprocessor list for where the reminders are sent from, and asks how the bookings get out again.
Cal.com
Calendly
This judge's pick
Criterion by criterion
Booking page & client experience
Cal.com
Event types carry their own title, duration, location and price, custom booking questions and email verification are configurable, and four embed styles — inline, floating button, element-click pop-up and email — put the booking form on the business's own site, with bookers receiving confirmations and the ability to reschedule with ease; the booker atom white-labels the widget and every embed is stated responsive across screen sizes. We found no public information on seat-limited group or class bookings, booking pages offered in several languages, or a customer account with booking history, so this sits above a plain booking page but short of a finished storefront.
Calendly
The booking pages carry one-on-one, multi-host and group event types with their own duration and location, custom questions such as a phone field and a split name field, embeddable on the business's site with customizable colors, and confirmation emails include cancel and reschedule links invitees can use themselves. It stays short of the top anchors: we found no public information on seat limits for group bookings, removal of the vendor's branding, an accessibility statement, or multi-step selection of service, staff member and location — the language option is only a per-event "change the language" setting.
Calendar sync & availability rules
Cal.com
Google Calendar, Microsoft Outlook, Apple/CalDAV and Zoho connections are named — and the privacy policy is frank that the integration sees full event titles, descriptions and attendee names, not just free/busy — while the availability tooling covers working hours, date overrides, buffers, minimum notice, booking frequency and booking horizon, plus daily, weekly or monthly booking limits. We found no public information stating that the sync is two-way, on conflict checks across several of one person's calendars, or on rooms or equipment that must be free alongside the person.
Calendly
Calendars connect for Google, Office 365/Outlook.com and Exchange, busy times are checked to avoid double bookings across up to six calendars per user on paid plans, and availability rules run deep — buffers, minimum scheduling notice, booking date ranges, and meeting limits per day, week or month across event types and hosts. We found no public information on iCloud or CalDAV, holiday and absence schedules, or rooms and equipment that must be free alongside the person, so I stop short of the higher anchor.
Team, staff & location scheduling
Cal.com
Team event types run round robin based on availability, weights and priority rules, offer collective and managed assignment, and routing forms whose routes are evaluated in order — including routing by custom variables — with team admin/owner gates on creating and changing team event types; the Organizations tier lists SAML SSO, SCIM, role-based permissions and unlimited sub-teams. We found no public information on scheduling by location with its own staff, audit logs of changes, or reporting that shows distribution fairness.
Calendly
This is where the pages are strongest: round robin with a configurable distribution method, per-host schedules and locations, and distribution statistics exportable as CSV; collective events; routing forms that can route on Salesforce account or lead ownership and block email domains; centrally managed event types and team templates; flexible admin and group-admin roles; and SSO/SAML, SCIM provisioning and audit logs documented. I dock a point only because locations are handled per host rather than as a first-class multi-location object with its own staff.
Reminders, payments & no-show protection
Cal.com
Workflows trigger on confirmations, cancellations, reschedules or a set time before or after a meeting, fire email and SMS to host, attendee or a specific number, add WhatsApp messaging, custom templates and post-call follow-up emails; per-event Stripe payment with a configurable charge timing is documented, and webhook triggers exist for Cal Video no-shows. The captured pages give different figures for supported payment providers — the pricing page names Stripe and PayPal, the event-type documentation says only Stripe is supported — and we found no public information on enforced cancellation deadlines, no-show or late-cancellation fees, waiting lists or deposit amounts.
Calendly
Email and text reminders before and after events are available on all paid plans, payments run through Stripe and PayPal including an example $150 client deposit, and no-shows at least exist as API events — but the help pages state plainly that the cancellation policy is displayed, not enforced. We found no public information on waiting lists that refill freed slots, no-show or late-cancellation fees, or what the SMS reminders cost; the terms bind you to Twilio's acceptable-use policy rather than pricing the channel.
Integrations, API & data export
Cal.com
The exit story is unusually strong: a documented v2 API with API keys, OAuth scopes and access-control rules, 31 webhook trigger types with versioned payloads carrying generated calendar files, native two-way Salesforce and HubSpot sync, Pipedrive, Zapier and a 100+ app store, video locations for Cal Video, Zoom, Google Meet and Teams, export of customer data any time self-serve with at least 30 days after termination, and an embeddable atoms package on top of a MIT-licensed self-hostable codebase. We found no public information on published API rate limits or on a documented format for the account export, and the organization-level Zoom flow carries a candid warning that overlapping meetings can fail to start.
Calendly
A documented public API with OAuth and personal-access tokens, realtime webhooks with signing keys and per-scope subscriptions, an endpoint that returns invitee names and custom question answers, named CRM integrations (HubSpot, Salesforce, Marketo, Pardot, Dynamics), Zapier, and CSV exports of routing-form responses and round-robin statistics — the data has documented ways out. I stop at the anchor it reaches because we found no public information on published rate limits, an SDK, a self-hosting or migration option, or a single documented full-account export.
European sovereignty
Cal.com
The contracting party is Cal.com, Inc., a Delaware corporation, and data is processed in the United States, with EU data residency available only on contact; the transfer machinery is real — SCCs under Irish law, the EU-U.S. Data Privacy Framework, an Art. 27 representative in Germany, a DPA applying to every plan, a subprocessor table at the trust centre covering hosting, email, SMS, video and payments, and ISO 27001 with SOC 2 Type II. That is a well-documented American operation, not a European one: entity and primary processing region are US, and subprocessor locations are not itemised on the pages we read, so the reminder and payment chain is one a European buyer must chase through the trust centre.
Calendly
Calendly, Inc. of Buford, Georgia contracts and processes in the United States, and the subprocessor list shows SMS through Twilio, analytics through Google, Datadog and Cloudflare, AI meeting summaries through OpenAI, and support through Zendesk and Intercom — all but a couple of entries in the USA. The DPA with SCCs, DPF participation, an EEA representative in Berlin and SOC 2/ISO 27001 certifications do real work, but there is no EU hosting option and no EU contracting entity anywhere in the captured pages, so the chain never reaches European ground.
Pricing transparency
Cal.com
The tiers are public with a clear per-user scaling unit and their features listed — a free-forever plan for one user that even includes Stripe and PayPal payments and email and SMS notifications, Teams at $12 per user/month on yearly billing with a 14-day free trial, Organizations at $28 per user/month on yearly billing, and Enterprise at custom pricing through sales. A buyer still cannot compute the full cost: monthly prices are not shown beyond a 'Save 25%' note on yearly billing, SMS credits and payment fees are unpriced, custom domains and email sit on a waitlist tied to the organizations plan, and only the tax treatment (fees exclusive of taxes), automatic renewal and the non-refundable default are stated.
Calendly
Standard at "$10 /seat/mo" and Teams at "$16 /seat/mo" billed yearly with monthly and annual billing both shown, a free tier capped at one calendar against six on paid plans, month-to-month or 12-month terms, fees non-refundable and taxes on the customer — the per-seat scaling is honest and legible. But the Enterprise tier is unpriced, round robin sits only in Teams and above, and we found no public information on SMS credit costs or payment processing fees, so a buyer cannot compute the full annual bill from the public pages.
Sovereignty, side by side
Dimension
Cal.com
Calendly
Legal entity
Incorporated in US
Not determined
Hosting location
Not determined
Not determined
Hosting options
Not determined
Not determined
Open source
Not determined
Not determined
Data processing agreement
Not determined
Not determined
Transfer impact assessment
Not determined
Not determined
Facts, side by side
Only facts both products carry under the same definition — anything else would not be a fair row.
As of 29 Oct 2026, the panel rates both 3.5/5. Weighted by what each judge cares about, 4 of the 6 judges pick Cal.com and 2 pick Calendly. Which one fits depends on the criteria that matter to you; the table on this page shows both side by side, and each judge’s reading has its own page. Both were scored by the same AI bench under the same rubric, from public evidence only, as the methodology describes.
Is Cal.com or Calendly European?
Cal.com is not European by provenance (Rest of world, United States). Calendly is not European by provenance (Rest of world). Provenance is read from each company’s own legal pages: who builds it and who owns it.
Do Cal.com and Calendly have a free plan?
As of 29 Oct 2026, both vendors’ own pages state a free plan. Each product page links the pricing page it was read from.