Acuity Scheduling vs Slack
Side-by-side comparison of AI visibility scores, market position, and capabilities
Online appointment booking platform for 50K+ service businesses acquired by Squarespace Apr 2019; $20-61/month with Stripe/Square payments, SMS reminders, intake forms, competing with Calendly and Vagaro for beauty/wellness/coaching scheduling aut...
About
Acuity Scheduling is an online appointment booking platform — acquired by Squarespace in April 2019 (Squarespace's first acquisition) — providing service-based businesses in wellness, beauty, coaching, tutoring, and professional services with a comprehensive scheduling solution including calendar syncing, automated email and SMS reminders, payment processing (Stripe, Square, PayPal), recurring bookings, group sessions, client intake forms, and custom branding. Founded in 2006 and supporting 50,000+ businesses at the time of acquisition, Acuity Scheduling became part of the Squarespace ecosystem as a complementary scheduling product for website builders and service businesses. In 2025, Acuity's pricing tiers range from $20/month (entry-level, 1 calendar) to $34/month (Growing, 2-6 calendars) to $61/month (Powerhouse, 36 calendars), integrated into Squarespace's website builder and commerce platform.
Salesforce (NYSE: CRM) team messaging platform at $27.7B acquisition processing 1.5B weekly messages; competing with Microsoft Teams for enterprise collaboration through Salesforce integration and developer-first experience.
About
Slack is a San Francisco-based team collaboration and communication platform — acquired by Salesforce (NYSE: CRM) in 2021 for $27.7 billion — providing organizations with channel-based messaging, direct messaging, file sharing, video calls (Slack Huddles), and a 2,600+ app integration ecosystem that connects team communication with the business tools (Salesforce, Jira, GitHub, Google Drive) teams use daily. Used by 200,000+ organizations including IBM, Airbnb, and Target, Slack processes 1.5 billion+ messages weekly and serves as the communication backbone for technology companies, knowledge work organizations, and enterprises worldwide.
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