Calendly is the link everyone knows. It finds a time and, on a paid seat, takes a payment. If the meeting is your product, a session with an intake form, a waiver, a package and a follow-up, you need what happens around the booking. ColibriOS does the booking and the rest of the practice, and keeps the books.
Calendly is a scheduling link for individuals and teams: it finds a time across calendars, adds video-call links, and on paid plans takes payment, routes leads and runs reminders.
| Feature | ColibriOS | Calendly |
|---|---|---|
| 1:1 booking and scheduling | Yes. Booking with intake forms, waivers and paymentsServe | Yes. One-on-one, multi-host and group meeting types on every plan; 1 event type on Free |
| Classes, workshops and events | Yes. Classes, workshops, retreats and events with ticketing and check-inGather | Partly. Group classes are a meeting type; tickets, attendee lists and check-in are not listed |
| Capacity and waitlists | Yes. Capacity, automatic waitlists and door check-inGather | Not stated. Capacity limits and waitlists are not stated on the pricing or feature pages |
| Memberships and class packs | Yes. Recurring memberships, class packs and member pricingGather | No. Not offered |
| Online courses | Yes. Courses with enrollment, student payments and portalsServe | No. Not offered |
| Website on your own domain | Yes. Editable website on your own custom domainServe | No. A hosted booking page and website embeds; no website builder or custom domain listed |
| CRM and email marketing | Yes. Full CRM, email campaigns, funnels and textingServe | Partly. Contacts as relationship management tools, email reminders and workflows on Standard; newsletters and campaigns are not listed |
| Bookkeeping and tax-ready books | Yes. Income tracked as it happens, expenses categorized, tax-ready year-end reportServe | No. Not offered; payments run through Stripe or PayPal |
| Published pricing | Yes. $116, $297 and $597 a month, on the pricing page | Yes. Free, $10 and $16 a seat on the pricing page; Enterprise from $15,000 a year |
| Contract required | No. Month to month | Not stated. Contract terms are not stated on the pricing page (Enterprise is annual) |
| Cancel yourself, online | Yes. Settings, then Billing | Not stated. Cancellation is not described on the pricing page |
Calendly details checked August 2026 on Calendly's own pages. Their plans change; if you see something out of date, tell us at hello@colibrios.com. A tier badge on the ColibriOS column shows the lowest plan that includes the feature; every tier contains the one before it.
Published on the pricing page. 30-day free trial, no credit card, month to month, cancel yourself in Settings.
A free plan with one event type and one calendar, then $10 or $16 a seat a month (less billed annually) and an Enterprise tier from $15,000 a year. Payments, routing forms, email reminders and the CRM integrations start on Standard. Trial length and cancellation are not stated on the pricing page.
Source: Calendly's pricing page, checked August 2026A comparison that says we win every row is not one you should trust. Here is where Calendly genuinely does more.
One event type and one calendar for nothing, forever. If a single scheduling link is all you need, Calendly costs $0 and ColibriOS does not.
Source, checked August 2026Round robin, collective scheduling, routing forms that qualify a lead, and Salesforce and HubSpot integrations. ColibriOS schedules a practitioner or a small team and has none of the sales-team machinery.
Source, checked August 2026Zoom, Google Meet and Teams integrations create the meeting link at booking. ColibriOS takes a link you paste.
Source, checked August 2026Session types with their own length, price, intake form and waiver. Client self-scheduling from your site with your outside calendar's busy times blocked, deposits or packages paid through your own Stripe or PayPal, confirmations and reminders, and session emails in your own words before and after. Calendly ends when the time is found; this is what the time is for.
Everyone who books becomes a contact with their sessions, intake answers, notes, payments and emails in one record. A discovery call is a lead in a pipeline; a package sold is a client. When you send a newsletter or a text campaign, it goes to the people who actually booked you.
Workshops and classes with capacity, waitlists and door check-in. Multi-day retreats with rooms, deposits and balances. Recurring memberships and class packs. Courses with student portals. Each tier contains the one before it, so a practice that starts with 1:1 sessions is not on its third tool by the time it fills a room.
Every paid session is income the day it lands. Connect your bank and expenses arrive on their own, categorized the way an accountant thinks; mileage to an in-person session is tracked at the official IRS rate. A tax-ready report at year end instead of a spreadsheet built from Stripe exports.
No. Calendly has a free plan and its Standard seat is $10 a month; ColibriOS starts at $116. If you need a scheduling link and nothing else, Calendly is the right tool and this page will not change that. ColibriOS is priced for the whole practice: booking plus the website, CRM, email and texting, courses and bookkeeping.
Yes, on every plan: full payment, a deposit, or a package of sessions, through your own Stripe or PayPal at your processor's standard rate. Calendly takes payment from its Standard plan up; ColibriOS adds nothing per booking on any plan.
Yes. Connect your calendar and its busy times are removed from your booking page; ColibriOS bookings appear in your calendar through a feed, so you keep one view of your day.
ColibriOS schedules a practitioner or a small team, each with their own session types and availability, and a client can book any of them. It does not do round-robin routing or lead-qualification forms for sales teams; that is Calendly's strength, not ours.
Yes. Nothing stops you running both for a while. When you are ready, put the ColibriOS booking page on your site and your existing clients arrive as contacts from a CSV import.
You paste a meeting link on a session type or event and it goes out in the confirmation and reminders. ColibriOS does not create the Zoom or Meet link for you the way Calendly's integrations do.
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