Estimated read time: 11 minutes
If you are running a service business, consulting practice, or really anything where clients need to book time with you, appointment scheduling software is one of those purchases that pays for itself in the first week. The math is simple: every hour you spend playing email tag to schedule a meeting is an hour you are not doing actual work.
The market has narrowed to a handful of strong options for small businesses and solo operators. Calendly remains the household name. Acuity Scheduling (now part of Squarespace) is the choice for service businesses with more complex booking flows. Cal.com is the open-source challenger that has been quietly becoming excellent. This guide breaks down all three honestly, with real pricing and who each one is actually for.
Table of Contents
What to Look For in Scheduling Aoftware
Before comparing tools, it helps to know which features actually matter for a small business. The basics are table stakes at this point: every platform on this list handles calendar sync, time zone detection, automatic reminders, and a booking link you can share. Where they diverge is in the details.
Intake forms and pre-booking questions. Can you ask clients to fill out information before they book? For service businesses, this is often essential: you want to know the scope of the project, the client’s budget, their goals, anything you need before the call actually happens.
Payment collection at booking. Can clients pay when they schedule? This is table stakes for classes, coaching sessions, and any service where you want to avoid no-shows. Stripe integration is the standard; some platforms also support Square and PayPal.
Group events and round-robin routing. If you have a team, you need to be able to route bookings to the right person or distribute them evenly. Solo operators can skip this, but it matters fast as you grow.
Embedding on your own website. Can the booking experience live inside your site rather than routing clients to a third-party page? Embedded booking converts better and keeps your branding consistent.
Integrations. Google Calendar, Outlook, Zoom, Stripe, and your CRM are the non-negotiables. Everything else is a bonus.
Calendly Review
Calendly is the scheduling tool that made the category mainstream. It was the first scheduling link most professionals had ever seen, and it is still the one most people recognize instantly. That ubiquity has advantages: clients know what they are looking at, there is no friction around “click this link to book.”
What Calendly Does Well
Setup is genuinely fast. You connect a calendar, choose your availability windows, and you have a working booking link in about 10 minutes. Calendly handles time zone conversion automatically and sends reminders to both parties. The integration library is enormous: Zoom, Google Meet, Microsoft Teams, Salesforce, HubSpot, Stripe, and hundreds more via Zapier and native connections.
The interface is clean and modern. Clients do not need an account to book, which removes a friction point that has killed conversion rates on older tools. The Calendly link has also become a professional norm in a way that benefits users: sending someone a Calendly link signals that you are organized and that you respect their time, which is not a small thing.
For teams, Calendly has round-robin routing, collective availability, and a routing forms feature that can qualify leads before they book. Those are genuinely useful for sales teams and service businesses with multiple staff members.
Where Calendly Falls Short
The free plan is quite limited: one event type and basic calendar sync. The Standard plan at $10 per user per month unlocks more event types and some integrations. The Teams plan at $16 per user per month adds routing, Salesforce, and HubSpot. For solo operators, $10 per month is reasonable. For a team of five, you are at $50 to $80 per month just for scheduling, which starts to feel high.
Intake forms are available on paid plans, but they are less customizable than Acuity’s. You can ask questions before a booking, but you cannot build the kind of detailed client intake flow that service businesses often need. Payment collection exists through Stripe, but it is not as polished as Acuity’s commerce experience.
Calendly’s branding appears prominently on the booking pages, even on paid plans. If white-labeling matters to you, Calendly’s higher-tier plans do reduce this but do not eliminate it.
Calendly Pricing (2026)
- Free: 1 event type, basic features
- Standard: $10/user/month (billed annually)
- Teams: $16/user/month (billed annually)
- Enterprise: Custom pricing
Acuity Scheduling Review
Acuity Scheduling has been around since 2006 and was acquired by Squarespace in 2019. It is more opinionated than Calendly: designed specifically for service businesses that have a real booking flow, not just a “pick a time” link. If your clients are buying something when they book, Acuity is built around that use case.
What Acuity Does Well
Intake forms are Acuity’s biggest differentiator. You can build detailed client questionnaires that appear during the booking flow, collect the answers, and have them ready before the appointment. For coaches, therapists, consultants, photographers, and other service providers who need to know who is showing up and why, this alone is worth the price.
Acuity also handles packages, subscriptions, and gift certificates natively. A client can buy a 10-session coaching package, have those sessions loaded into their account, and book individual sessions against that balance. That is a real business workflow that Calendly does not handle as cleanly.
Payment collection is more polished than Calendly’s. Stripe, Square, and PayPal are all supported. You can require payment at booking, collect deposits, or invoice afterward. For businesses where no-shows are a real cost, requiring payment at booking changes behavior meaningfully.
The customization options are deeper than Calendly’s. You can control the look and feel of the booking page more granularly, add your logo, and keep the experience consistent with your brand.
Where Acuity Falls Short
The interface is older-feeling than Calendly’s. It has improved since the Squarespace acquisition but still lags on modern UX. Setup takes longer because there are more options to configure, which is a tradeoff: more power means more setup time.
Acuity’s integration library is smaller than Calendly’s, though it covers the important bases: Google and Outlook calendars, Zoom, Stripe, Mailchimp, and major CRMs. Zapier fills most gaps.
If you are using Squarespace as your website platform, Acuity integrates particularly cleanly. If you are on WordPress, Wix, or another platform, it is still functional but requires more manual setup.
Acuity Scheduling Pricing (2026)
- Emerging: $20/month (1 staff calendar)
- Growing: $34/month (up to 6 staff)
- Powerhouse: $61/month (up to 36 staff)
- All plans billed annually; monthly billing is roughly 20% more
Note: Squarespace bundles Acuity into some of its higher-tier website plans, which can make the effective cost much lower if you are already a Squarespace customer.
Cal.com Review
Cal.com is the open-source alternative that has become a genuinely credible option for tech-comfortable users and teams. The core product is free if you self-host; the cloud-hosted version is competitively priced. It launched publicly in 2021 and has grown fast enough to be taken seriously alongside Calendly and Acuity.
What Cal.com Does Well
The free tier on the cloud-hosted version is more generous than Calendly’s: unlimited event types, a solid feature set, and no forced Cal.com branding on booking pages. For solo operators who want a professional scheduling link without a monthly subscription, that is a real competitive advantage.
Cal.com has been adding features quickly. Round-robin routing, team scheduling, Stripe payments, intake forms, and routing forms are all available. The interface has improved substantially and now feels modern rather than spartan.
The open-source nature matters if you have a developer on staff or are comfortable with technical setup. You can self-host the entire thing, own your data, customize the booking experience completely, and integrate it with proprietary systems in ways that would be impossible with Calendly or Acuity. Enterprise teams with data sovereignty concerns find this genuinely valuable.
Cal.com also has an API-first design philosophy. If you want to embed scheduling deeply into your own product or workflow, Cal.com’s API is more accessible and better documented than most alternatives.
Where Cal.com Falls Short
If you are not technical, the self-hosted option is not for you. The cloud-hosted version is accessible to anyone, but the real advantage of Cal.com is its flexibility, and unlocking that flexibility requires some technical comfort.
The integration library, while growing, is not as large as Calendly’s. The platform is catching up quickly but still has gaps on the long tail of niche tools.
Customer support is thinner than the established players. Calendly and Acuity both have responsive support teams. Cal.com’s cloud product has support, but the free plan primarily routes users to community documentation.
Cal.com Pricing (2026)
- Free: Unlimited event types, 1 calendar, cloud-hosted
- Teams: $12/user/month (unlimited team event types, routing forms, Zapier)
- Enterprise: Custom pricing
- Self-hosted: Free forever with full features (requires your own infrastructure)
Feature and Pricing Comparison
| Feature | Calendly | Acuity | Cal.com |
|---|---|---|---|
| Starting price | Free (1 event type) | $20/month | Free (unlimited events) |
| Intake forms | Paid plans | All paid plans | Paid plans |
| Payment collection | Paid plans (Stripe) | All paid plans (Stripe, Square, PayPal) | Paid plans (Stripe) |
| Team scheduling | $16/user/month | $34/month (6 staff) | $12/user/month |
| White labeling | Higher tiers | Yes | Yes (even free) |
| Open source | No | No | Yes |
| Packages and memberships | No | Yes | No |
| Embed on your site | Yes | Yes | Yes |
| API access | Yes | Yes | Yes (stronger) |
| Self-hosted option | No | No | Yes |
Which One Is Right for Your Business?
Choose Calendly if: You want maximum simplicity and the broadest possible integration support. You are a consultant, freelancer, or small team where the primary need is “clients can book me” and you do not need packages or complex intake workflows. Calendly’s brand recognition also means clients are already familiar with it, which lowers friction.
Choose Acuity Scheduling if: You run a service business where clients buy sessions or packages when they book. Coaches, therapists, photographers, fitness instructors, and any business where the transaction and the appointment are the same thing will find Acuity’s commerce features worth the higher base price. Also choose Acuity if detailed intake forms are non-negotiable for your workflow.
Choose Cal.com if: You want the most for the least money, especially if you are a solo operator. The free cloud tier is generous. If you have a technical background or a developer available, the open-source, self-hosted option is genuinely powerful. Cal.com is also the right choice if data ownership matters or you want to embed scheduling into a custom product.
For most solo small business owners: try Cal.com’s free tier first. If you outgrow it or need Acuity-style commerce features, upgrade then. Calendly is worth considering if the brand recognition and integration depth matter more than price.
Frequently Asked Questions
What is the best free appointment scheduling software? Cal.com offers the most generous free tier among serious tools, with unlimited event types and no forced branding. Calendly’s free plan is limited to one event type.
Does Calendly take a cut of payments? No, Calendly does not take a percentage of payments. You pay Stripe’s standard processing fee (typically around 2.9% plus 30 cents per transaction).
Can I use appointment scheduling software with an existing website? Yes. All three platforms offer embeddable booking widgets that work on WordPress, Squarespace, Wix, Webflow, and most website builders. Acuity has the deepest native integration with Squarespace since it is part of the same company.
Is Acuity Scheduling worth it for a solo business owner? At $20 per month, Acuity is worth it if you need intake forms and payment collection. If you just need a booking link, Calendly’s Standard plan at $10 or Cal.com’s free tier are better value.
What scheduling software integrates with Zoom? All three: Calendly, Acuity Scheduling, and Cal.com all integrate with Zoom to automatically generate meeting links when a booking is confirmed.
Can clients reschedule or cancel their own appointments? Yes, all three platforms allow clients to self-reschedule and cancel, with configurable notice period requirements. You can require minimum 24 hours notice to cancel, for example.
Related Coverage
- Best CRM for Solopreneurs — pair your scheduling tool with a CRM to turn bookings into long-term client relationships
- How to Start a Business with AI — the bigger picture on building a modern service business
- Best AI Writing Tools for Small Business — tools to help you create the content that drives bookings in the first place
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