Best Business Calendar Appointment Apps

241+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

Finding the right business calendar appointment apps can be overwhelming with so many options. We've analyzed 241+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Business Calendar Appointment Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Square Appointments: SchedulerSquare Appointments: SchedulerFree4.9★ (195K)NoNoSep 2026
2FlexCal - Business CalendarFlexCal - Business CalendarFreeNoNoJul 2026
3Setmore Appointment SchedulingSetmore Appointment SchedulingFree4.7★ (9.2K)NoYesSep 2026
4Acuity: Appointment SchedulerAcuity: Appointment SchedulerFree4.8★ (30K)NoYesSep 2026
5Calendar: Meeting & SchedulingCalendar: Meeting & SchedulingFree4.2★ (125)NoNoAug 2026
6Teamup CalendarTeamup CalendarFree4.8★ (9.4K)NoNoSep 2026
7Appointment Scheduling bbookAppointment Scheduling bbookFree2.0★ (1)NoNoJul 2026
8Appointment SchedulerAppointment SchedulerFree4.0★ (97)YesNoSep 2026

Top Picks for Business Calendar Appointment

Square Appointments: Scheduler#1

Square Appointments: Scheduler by Block, Inc.

Book, Schedule, Get Payments
Editor's Choice
💼 Business
4.9😐(195K ratings)
Free
Square Appointments: Scheduler screenshot 1
Square Appointments: Scheduler screenshot 2
Square Appointments: Scheduler screenshot 3
Square Appointments: Scheduler screenshot 4
Square Appointments: Scheduler screenshot 5
Square Appointments: Scheduler screenshot 6

Manage your business with an all-in-one solution for booking, scheduling, and payments. Offer 24/7 online booking, send automated reminders, and process payments securely. Track client details and manage your team's calendars and reports.

What We Love

  • 🚀 Easy to use
  • 📅 Helpful appointment reminders
  • 💳 Integrated payment processing
  • 👍 User-friendly interface
  • 🕰️ Recurring appointments
  • 🤝 Great for small businesses

Room to Improve

  • 🐛 Bugs and glitches
  • 🤔 Confusing navigation
  • 🔒 Lack of security features
  • 💰 Expensive paid plans
  • 📞 Poor customer support
  • 🗓️ Difficulty managing schedules
Setmore Appointment Scheduling#3

Setmore Appointment Scheduling by Setmore

Booking and payments app
Worth Considering
💼 Business
4.7😊(9.2K ratings)
FreeIn-App Purchases
Setmore Appointment Scheduling screenshot 1
Setmore Appointment Scheduling screenshot 2
Setmore Appointment Scheduling screenshot 3
Setmore Appointment Scheduling screenshot 4
Setmore Appointment Scheduling screenshot 5
Setmore Appointment Scheduling screenshot 6

Automate your service-based business with this appointment booking system. Allow customers to schedule themselves 24/7, send automated reminders to reduce no-shows, and get paid online or in person. Manage your team's schedules and integrate with other business apps.

What We Love

  • 🚀 Great app
  • 👍 Easy to use
  • 💰 Free and affordable
  • 📆 Helpful for scheduling and organizing
  • 🔔 Useful reminders and notifications
  • 🤝 Good customer service
  • 🔗 Integrates well with other tools

Room to Improve

  • 🐛 Bugs and glitches
  • 🔍 Limited functionality
  • 🔀 Confusing updates and changes
  • 📱 Issues with mobile app
  • 🕰️ Lack of customization options
  • 💳 Payment processing problems

More Business Calendar Appointment apps to explore

FAQ about Business Calendar Appointment

What are the best business calendar appointment apps for iPhone?
Square Appointments: Scheduler tops our business calendar appointment apps ranking as of September 2026, with a 4.9-star average from 195K App Store ratings, and it's free to download.
Yes — 20 of the top business calendar appointment apps we rank are free to download, including Square Appointments: Scheduler and FlexCal - Business Calendar.
Square Appointments: Scheduler has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 241+ business calendar appointment apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Square Appointments is an all-in-one business solution that handles appointment booking, scheduling, sending automated reminders, and accepting payments. It provides a point of sale system, client tracking, and team management features, allowing businesses to operate efficiently from anywhere.
There are three monthly plans: Free, Plus, and Premium, with pricing on a per-location basis. Custom pricing is available for businesses processing over $250K in annual revenue. No credit card is required to start, and there are no long-term commitments.