Best Appointment Reminder System Apps

214+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our appointment reminder system list covers 214+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Compare top Appointment Reminder System Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Goldie: Scheduling appGoldie: Scheduling appFree4.8★ (12K)NoYesJul 2026
2Square Appointments: SchedulerSquare Appointments: SchedulerFree4.9★ (196K)NoNoAug 2026
3Calendars: 스케줄 리마인더 & 타임플래너Calendars: 스케줄 리마인더 & 타임플래너Free4.7★ (121K)NoYesAug 2026
4SetTime Appointment SchedulerSetTime Appointment SchedulerFree4.8★ (90)NoYesJul 2026
5Vagaro ProVagaro ProFree4.3★ (12K)NoNoAug 2026
6Structured - планировщик дняStructured - планировщик дняFree4.8★ (163K)NoYesAug 2026
7Remind Me: ToDo reminderRemind Me: ToDo reminderFree4.5★ (2.3K)NoYesAug 2026
8Setmore Appointment SchedulingSetmore Appointment SchedulingFree4.7★ (9.2K)NoYesJul 2026

Top Picks for Appointment Reminder System

Goldie: Scheduling app#1

Goldie: Scheduling app by Quartet

Appointments Reminders Booking
Editor's Choice
📊 Productivity
4.8😊(12K ratings)
FreeIn-App Purchases
#77in Productivity
Goldie: Scheduling app screenshot 1
Goldie: Scheduling app screenshot 2
Goldie: Scheduling app screenshot 3
Goldie: Scheduling app screenshot 4
Goldie: Scheduling app screenshot 5
Goldie: Scheduling app screenshot 6

This app helps professionals manage their schedules and grow their businesses by offering appointment booking, online payments, and automated reminders. It caters to various service providers, allowing clients to book and pay online easily. Data transfer from other platforms is also supported.

What We Love

  • 🚀 Easy to use
  • 👍 Customizable services and calendar
  • 📆 Syncs with other calendars
  • 📨 Automated reminders and messages

Room to Improve

  • 🐛 Glitches and bugs after updates
  • 🔄 Syncing issues across devices
  • 📤 Limited messaging options in free version
Square Appointments: Scheduler#2

Square Appointments: Scheduler by Block, Inc.

Book, Schedule, Get Payments
Strong Contender
💼 Business
4.9😐(196K 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

Room to Improve

  • 🐛 Bugs and glitches
  • 🤔 Confusing navigation
  • 🔒 Lack of security features
Calendars: 스케줄 리마인더 & 타임플래너#3

Calendars: 스케줄 리마인더 & 타임플래너 by Readdle Technologies Limited

일정관리 및 알람: 스케줄러, 투두리스트, 켈린더
Worth Considering
📊 Productivity
4.7😊(121K ratings)
FreeIn-App Purchases
#96in Productivity
Calendars: 스케줄 리마인더 & 타임플래너 screenshot 1
Calendars: 스케줄 리마인더 & 타임플래너 screenshot 2
Calendars: 스케줄 리마인더 & 타임플래너 screenshot 3
Calendars: 스케줄 리마인더 & 타임플래너 screenshot 4
Calendars: 스케줄 리마인더 & 타임플래너 screenshot 5
Calendars: 스케줄 리마인더 & 타임플래너 screenshot 6

This app combines a calendar, task manager, daily planner, and habit tracker. It helps users plan their day, build habits, boost productivity, and stay organized with seamless syncing across all Apple devices. Features include event creation, to-do list management, natural language input, and integration with popular meeting platforms.

What We Love

  • 🌟 Excellent calendar app
  • 👍 Easy to use and organize
  • 🎨 Helpful color-coding
  • 📆 Seamless integration with other calendars

Room to Improve

  • 🐛 Occasional glitches and data loss
  • 💰 Concerns over subscription model
  • 🕰️ Cumbersome date/time selection process

More Appointment Reminder System apps to explore

4
SetTime Appointment Scheduler
SetTime Appointment Scheduler
SetTime Appointment Scheduler
Calendar & Booking planner
Free

This app simplifies appointment booking and management for businesses. It offers a free online booking page, automated reminders, and calendar synchronization. Paid plans unlock advanced features like SMS reminders, customizable booking pages, and expense tracking.

Appointment schedulingOnline booking pageAutomated reminders
💼 Business
(90)
freemium
5
Vagaro Pro
Vagaro Pro
Vagaro Pro
Booking, Payments, Scheduling
Free

Manage appointments, clients, sales, and marketing for independent professionals and growing teams. Features include online booking, calendar management, client profiles, online sales, and an AI description generator. Keep your business organized and scale with confidence.

Effortless online bookingSeamless calendar managementPowerful client management
💼 Business
(12K)
free
6
Structured - планировщик дня
Structured - планировщик дня
Structured - планировщик дня
Удобный список дел и календарь
Free

Organize your day with a visual timeline that integrates your calendar, to-dos, routines, and habits. This app helps users feel calmer, focus faster, and accomplish more daily. It's ideal for work, study, travel, and managing ADHD, offering planning tools and focus timers.

Visual timeline for day and week organizationInbox for instant idea captureSub-tasks and notes for project breakdown
📊 Productivity
(163K)
freemium
7
Remind Me: ToDo reminder
Remind Me: ToDo reminder
Remind Me: ToDo reminder
Minimal reminder
Free

This app helps you remember important tasks and appointments by setting customizable notifications. It functions like a digital assistant, sending timely alerts for scheduled events, or can be used as a simple to-do list without specific reminders.

Set reminders for tasks and appointmentsCustomizable notification dates and timesMinimalist user interface
📊 Productivity
(2.3K)
free with in-app purchases
8
Setmore Appointment Scheduling
Setmore Appointment Scheduling
Setmore Appointment Scheduling
Get seen, get booked, get paid
Free

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.

Automated appointment schedulingCustomer self-booking 24/7Automated appointment reminders
💼 Business
(9.2K)
free with in-app purchases
9
Visibook Appointment Scheduler
Visibook Appointment Scheduler
Visibook Appointment Scheduler
Business, client reminder app
Free

Streamline your business by easily booking client appointments and sending automated reminders via SMS or WhatsApp. Manage your schedule from your phone, tablet, or browser, and allow clients to book themselves, reducing no-shows and administrative hassle.

Automated client reminders (SMS/WhatsApp)Easy appointment bookingCustomer scheduling and tracking
💼 Business
(842)
free
10
SmartAgenda: Appointment Book
SmartAgenda: Appointment Book
SmartAgenda: Appointment Book
Online booking & SMS reminders
Free

This app helps busy professionals manage appointments and clients. It offers online booking, automated SMS reminders to reduce no-shows, and tools for tracking services and business stats. Ideal for service-based businesses to stay organized and save time.

Online client bookingAutomated SMS confirmationsClient management with notes
💼 Business
(13)
free with in-app purchases
11
Go Appointment Reminders
Go Appointment Reminders
Go Appointment Reminders
Texts, Emails, and Scheduling
Free

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.

Automated SMS and email remindersAppointment schedulingClient confirmation and rescheduling
💼 Business
(540)
paid
12
Bookedin for Business
Bookedin for Business
Bookedin for Business
Easy online booking system
Free

This app simplifies appointment and class scheduling for businesses. It offers a secure, easy-to-use platform for managing bookings, staff availability, and client communication. Features include online payment collection, automated reminders, and client history tracking.

Secure online schedulingManage staff availabilityOne-click client booking
💼 Business
(494)
free with in-app purchases
13
Appointments & Booking: Billdu
Appointments & Booking: Billdu
Appointments & Booking: Billdu
Appointment Booking System
Free

Streamline your business operations with a platform for scheduling appointments, sending automated reminders, and processing payments. Offer clients 24/7 online booking and manage your team's schedules efficiently from any device.

24/7 online bookingAutomated appointment remindersSeamless payment processing
💼 Business
(213)
free with in-app purchases
14
Doctors Appointment Reminder L
Doctors Appointment Reminder L
Doctors Appointment Reminder L
Lite Version
Free

This free app helps you manage your medical appointments by sending timely notification alerts for upcoming doctor visits. It's designed for iPhone and iPad users to keep track of all their healthcare schedules.

Appointment trackingNotification alertsMedical schedule management
🏥 Medical
(21)
free
15
24me: Calendar・Planner & To Do
24me: Calendar・Planner & To Do
24me: Calendar・Planner & To Do
Reminders, Schedule, Organizer
Free

This app acts as a smart personal assistant, consolidating your calendar, to-do lists, notes, and personal accounts into one unified platform. It streamlines daily management with features like voice commands, smart reminders, and email-to-task conversion, helping you stay organized and productive.

Unified calendar and plannerSmart task manager and to-do listSimple notes and lists
📊 Productivity
(6.7K)
free with in-app purchases
16
Acuity: Appointment Scheduler
Acuity: Appointment Scheduler
Acuity: Appointment Scheduler
Client scheduling & calendar
Free

Manage your calendar and clients with this app. It offers seamless client scheduling, appointment notifications, secure mobile payments, and automated receipts. Run your business on the go with tools for calendar and client management, plus payment processing.

Real-time calendar managementClient scheduling linksAppointment notifications
💼 Business
(30K)
free with in-app purchases
17
Reminder Notifications
Reminder Notifications
Reminder Notifications
Never forget a thing
Free

Organize your life and ensure you never miss important tasks or events. Set recurring reminders for deadlines, meetings, birthdays, bills, and more, with quiet notifications to keep you on track.

Recurring task remindersDeadline trackingMeeting alerts
🔧 Utilities
(1.4K)
ad-supported
18
Plannie Appointment Scheduler
Plannie Appointment Scheduler
Plannie Appointment Scheduler
Booking System Scheduling App
Free

Streamline your one-on-one service business with an automated appointment scheduling system. Allow clients to book services online, receive automated reminders, and manage your calendar effortlessly. Enhance your online presence and reduce no-shows.

Smart online appointment schedulingAutomated client remindersOnline calendar management
💼 Business
(54)
free with in-app purchases
19
Max - Pill reminder
Max - Pill reminder
Max - Pill reminder
Health Routine Alarm Tracker
Free

This app helps you build healthy habits with personalized medication reminders. It tracks when you take your pills and can alert you if you miss a dose. You can also share management of reminders with family or friends.

Personalized medication schedulesCustomizable alarm soundsAutomatic tracking of taken medications
🏥 Medical
(9.4K)
free with in-app purchases
20
Reminder & Countdown
Reminder & Countdown
Reminder & Countdown
Count down to your event
Free

Never miss an important event with this app. Set up custom reminders for everything from birthdays to holidays, with real-time countdowns and configurable alerts. Personalize your events with unique icons, backgrounds, and fonts, and easily share your countdowns with friends and family.

Real-time countdownsCustomizable alertsEvent personalization (icons, backgrounds, fonts)
📊 Productivity
(16K)
free with in-app purchases

FAQ about Appointment Reminder System

What are the best appointment reminder system apps for iPhone?
Goldie: Scheduling app tops our appointment reminder system apps ranking as of May 2026, with a 4.8-star average from 12K App Store ratings, and it's free to download.
Yes — 20 of the top appointment reminder system apps we rank are free to download, including Goldie: Scheduling app and Square Appointments: Scheduler.
Goldie: Scheduling app has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 214+ appointment reminder system apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Goldie is a free appointment scheduling app designed to help service professionals manage their business. It allows users to easily schedule appointments, send automatic reminders, accept online bookings and payments, and manage client information. The app aims to streamline operations and facilitate business growth for its users.
Key features include a fast and easy appointment scheduling system, a client management portal to view history and notes, an online booking system for 24/7 client bookings, the ability to take appointment deposits and process payments securely, and manual SMS text reminders to reduce missed appointments. It also syncs with Google and Apple Calendars and is accessible across unlimited devices.