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Best Appointment Reminder Booking Apps

247+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated October 2026

If you already know Square Appointments, this is the deeper bench. 247+ appointment reminder booking apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Appointment Reminder Booking Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Square Appointments: SchedulerSquare Appointments: SchedulerFree4.9★ (195K)NoNoOct 2026
2Go Appointment RemindersGo Appointment RemindersFree4.8★ (540)YesNoOct 2026
3Koalendar: Appointment BookingKoalendar: Appointment BookingFree3.0★ (2)NoNoOct 2026
4Visibook Appointment SchedulerVisibook Appointment SchedulerFree4.6★ (842)NoNoSep 2026
5Appointment Scheduling bbookAppointment Scheduling bbookFree—NoNoSep 2026
6Previsy Appointment SchedulingPrevisy Appointment SchedulingFree2.0★ (1)NoYesAug 2026
7Meetbly: Booking & SchedulingMeetbly: Booking & SchedulingFree—NoYesJul 2026
8Appointment Booking - AppointoAppointment Booking - AppointoFree—NoNoMay 2026

Top Picks for Appointment Reminder Booking

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
Go Appointment Reminders#2

Go Appointment Reminders by GoReminders, Inc.

Texts, Emails, and Scheduling
Strong Contender
💼 Business
4.8😐(540 ratings)
FreeAds
Go Appointment Reminders screenshot 1
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Go Appointment Reminders screenshot 4
Go Appointment Reminders screenshot 5

Automate appointment reminders via SMS and email to reduce no-shows and increase revenue. Schedule appointments, manage confirmations, and sync with your existing calendars. This service helps businesses operate more efficiently and improve client loyalty.

What We Love

  • ✅ Effective appointment reminders reduce no-shows
  • ⏱️ Saves significant time on manual reminders
  • 👍 User-friendly and easy to set up
  • 🎯 Customizable reminder messages and timing
  • 💬 Works well with text and email options
  • 🤝 Responsive and helpful customer support
  • 📱 Convenient mobile access to scheduling
  • 💰 Cost-effective for small businesses

Room to Improve

  • 💸 Pricing not clearly displayed before trial
  • 🐛 Frequent app crashes and freezes
  • ⚠️ Outdated app with infrequent updates
  • 🔌 Poor performance on weak WiFi connections
  • 😤 Difficult and manipulative cancellation process
  • 🚫 Limited functionality in lower-tier plans
  • 📉 Data loss (customers, preferences deleted)
  • ⏳ App times out during editing
  • 🔄 iOS 17 compatibility issues
  • 💳 Expensive compared to competitors
Koalendar: Appointment Booking#3

Koalendar: Appointment Booking by Koalendar

Calendar & Meetings Scheduling
Worth Considering
💼 Business
3.0(2 ratings)
Free
Koalendar: Appointment Booking screenshot 1
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Streamline scheduling by sharing your real-time availability via a booking link. Avoid back-and-forth emails and ensure appointments land on both calendars automatically. Manage bookings, receive instant notifications, and integrate with your existing calendar.

More Appointment Reminder Booking apps to explore

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FAQ about Appointment Reminder Booking

What are the best appointment reminder booking apps for iPhone?
Square Appointments: Scheduler tops our appointment reminder booking apps ranking as of October 2026, with a 4.9-star average from 195K App Store ratings, and it's free to download.
Yes — 20 of the top appointment reminder booking apps we rank are free to download, including Square Appointments: Scheduler and Go Appointment Reminders.
Square Appointments: Scheduler has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 247+ appointment reminder booking apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.