Quick answer: Calendly fits meeting scheduling, Acuity fits service appointments and intake, Square Appointments fits Square-based services, SimplyBook.me offers configurable booking features, and Setmore offers an accessible small-team entry.

How this category was evaluated

We compared availability rules, calendar sync, time zones, reminders, buffers, intake, payments, staff/resources, group events, cancellations, embeds, integrations, and pricing per user or booking.

  • Define the job, owner, and authoritative record before comparing features.
  • Price the tier that contains the required capability at your expected scale.
  • Test exports, permissions, and failure paths before migration.

Product comparison

ProductBest forPublished pricingMain limitation
CalendlyMeeting links and team schedulingFree entry and per-seat plansService operations may need more depth
Acuity SchedulingService appointments, intake, and paymentsPaid plans through SquarespaceNo permanent free tier
Square AppointmentsBooking tied to Square payments/POSMarket-specific plans and processing feesAvailability varies by country
SimplyBook.meConfigurable booking for many service typesFree up to published booking limits; paid tiersPremium features consume plan allowances
SetmoreAccessible booking for small teamsFree and paid tiersAdvanced operations are narrower

When each product fits

Calendly

Meeting links and team scheduling. Free entry and per-seat plans. Service operations may need more depth. Check the live regional plan, limits, and billing period before buying.

Acuity Scheduling

Service appointments, intake, and payments. Paid plans through Squarespace. No permanent free tier. Check the live regional plan, limits, and billing period before buying.

Square Appointments

Booking tied to Square payments/POS. Market-specific plans and processing fees. Availability varies by country. Check the live regional plan, limits, and billing period before buying.

SimplyBook.me

Configurable booking for many service types. Free up to published booking limits; paid tiers. Premium features consume plan allowances. Check the live regional plan, limits, and billing period before buying.

Setmore

Accessible booking for small teams. Free and paid tiers. Advanced operations are narrower. Check the live regional plan, limits, and billing period before buying.

A practical buying test

Book across two time zones, cancel late, reschedule, create a conflict, collect intake, and test reminders. For regulated services, verify privacy and record-handling requirements locally.

Final selection framework

Calendly fits meeting scheduling, Acuity fits service appointments and intake, Square Appointments fits Square-based services, SimplyBook.me offers configurable booking features, and Setmore offers an accessible small-team entry.

Continue with related guide and related guide.

Best Online Appointment Scheduling Software for Small Business in 2026
A buying decision should solve a defined workflow and remain auditable and portable.

Official product sources checked

calendly.com, squarespace.com, squareup.com, simplybook.me, setmore.com. Recheck regional pricing and availability at purchase time.