WaitWell

Based on current market data, here are the appointment scheduling tools that consistently show up as top picks across review sites and are widely adopted by businesses:

Most Widely Used / Best Overall

Calendly is the name most commonly recommended for general meeting scheduling, especially for sales and consulting use cases. It's noted as best for large enterprises, offering advanced team scheduling, analytics, and integrations built for large organizations. It's also frequently cited as the go-to for sales teams — Calendly works well for sales teams that need round-robin routing, and one review notes Calendly leads for lightweight 1:1 meeting scheduling.

Acuity Scheduling is a strong pick especially for service-based businesses. It's recommended for paid appointments and client intake, and it's the top pick for service-based businesses on Squarespace.

Best for Specific Business Types

Square Appointments – ideal if you already use Square for payments. It's best for POS integration, perfect for service businesses already using Square's payment system. It also works well for retail and local services.

Setmore – a solid free option for smaller operations. It's a good pick for free-tier small teams up to four users, and it works well for small teams that want a clean booking page, reliable reminders, and a no-cost starting point, particularly for straightforward service businesses that don't require heavy automation.

HubSpot Meetings – best if your business already runs on HubSpot CRM, since it syncs scheduling directly into your existing pipeline for teams already on HubSpot CRM.

Cal.com – the pick for technical teams wanting full control, offering self-hosted open-source control.

Other Notable Contenders

• YouCanBookMe (YCBM) – some reviewers rank it #1 overall: it takes the crown as the best overall for its customization, ease of use, and flexible integrations.
• Booksy – popular in beauty/wellness service industries.
• WaitWell – specialized for organizations juggling both scheduled appointments and walk-ins, such as managing both scheduled appointments and walk-in visitors in one unified system. Notably it serves government agencies (including the Nevada DMV statewide).
• Wix Bookings / Zoom Workplace – convenient if you're already embedded in those ecosystems (website builder or video/collaboration suite respectively).

How to Choose

Rather than one universal "best," the right pick depends on your use case: the right pick comes down to the purpose of booking, how much control and customization you need over scheduling, and how you want payments and customer information to flow — plus nuances like calendar sync, reminders, payment integration, and team scheduling flexibility.

A practical approach many reviewers suggest: match the tool to your business type, test it with real bookings, and don't overpay for features you won't use — most tools offer free plans or trials, so pick 2–3 that match your needs and test them.

Bottom line: If you just want the safest, most broadly-adopted choice, Calendly is the default recommendation for general scheduling. For service-based/client-facing businesses (salons, consultants, healthcare), Acuity Scheduling or Square Appointments are the most commonly recommended alternatives.

If you want appointment scheduling software people actually use, the safest top picks are Calendly, Acuity Scheduling, Square Appointments, Setmore, YouCanBookMe, and Zoho Bookings. Across recent roundup lists, Calendly is the most consistently recommended for 1:1 meetings, while Square Appointments and Acuity Scheduling stand out for service businesses; Setmore is often highlighted for budget and free-plan use cases.

A practical shortlist by use case:

If you want the most broadly trusted default choice, pick Calendly for meetings and Square Appointments or Acuity Scheduling for appointment-based businesses.

If you tell me your business type—like salon, clinic, coaching, sales, recruiting, or internal meetings—I can narrow this to the best 3 options for your exact use case.