Best Appointment Reminder Apps

248+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Finding the right appointment reminder apps can be overwhelming with so many options. We've analyzed 248+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Appointment Reminder Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (122K)NoYesSep 2026
2RemindersRemindersFree4.8★ (1M)NoNoSep 2026
3Google Calendar: Get OrganizedGoogle Calendar: Get OrganizedFree4.5★ (132K)NoYesSep 2026
4SimpleCal: Simple CalendarSimpleCal: Simple CalendarFree4.7★ (18K)YesYesSep 2026
5Structured: Daily Planner TodoStructured: Daily Planner TodoFree4.8★ (167K)NoYesSep 2026
6Doc.AppointDoc.AppointFree—NoNoJul 2026
7Go Appointment RemindersGo Appointment RemindersFree4.8★ (540)YesNoSep 2026
8Square Appointments: SchedulerSquare Appointments: SchedulerFree4.9★ (195K)NoNoSep 2026

Top Picks for Appointment Reminder

Calendars: Schedule Planner#1

Calendars: Schedule Planner by Readdle Technologies Limited

2026 Daily Organizer・Reminder
Editor's Choice
📊 Productivity
4.7😊(122K ratings)
FreeIn-App Purchases
#100in Productivity
Calendars: Schedule Planner screenshot 1
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Calendars: Schedule Planner 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
  • 🗓️ Detailed monthly/weekly views
  • 📝 Useful task management features

Room to Improve

  • 🐛 Occasional glitches and data loss
  • 💰 Concerns over subscription model
  • 🕰️ Cumbersome date/time selection process
  • 🔍 Limited location search functionality
  • 🔄 Sync issues between devices
Reminders#2

Reminders by Apple

Don’t forget. Use Reminders
Strong Contender
📊 Productivity
4.8😐(1M ratings)
Free
Reminders screenshot 1
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Reminders screenshot 6

Easily manage your to-do lists for groceries, work projects, and more. Create reminders with voice commands, set location-based alerts, and collaborate with others. Keep everything organized and accessible across all your devices.

What We Love

  • 👍 Easy to use
  • 🚀 Seamless integration with Apple ecosystem
  • 📋 Helpful for organizing tasks and reminders
  • 🔔 Useful location-based and time-sensitive reminders
  • 💡 Shared lists and collaboration features
  • 🗓️ Ability to schedule and repeat reminders

Room to Improve

  • 🐛 Buggy after recent updates
  • 🔍 Difficult to search for completed reminders
  • 🔀 Issues with syncing and data loss
  • 🕰️ Delayed or missing notifications
  • 🔒 Concerns about iCloud dependency
  • 🤯 Overwhelming with too many reminders
Google Calendar: Get Organized#3

Google Calendar: Get Organized by Google

Easily plan & schedule
Worth Considering
📊 Productivity
4.5😊(132K ratings)
FreeIn-App Purchases
#16in Productivity
Google Calendar: Get Organized screenshot 1
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Google Calendar: Get Organized screenshot 6

This official app helps you manage your schedule and stay organized. It automatically adds events from Gmail, syncs across devices, and allows for shared calendars. You can also create tasks, customize views, and integrate with Google Meet for collaboration.

What We Love

  • 🚀 Keeps me organized
  • 🎨 Customizable colors
  • 📅 Integrates with email and other calendars
  • 🔔 Helpful reminders
  • 🤝 Ability to share calendars

Room to Improve

  • 🐛 Crashes and freezes
  • 🕰️ Slow loading times
  • 📆 Date on app icon doesn't change
  • 🔀 Difficulty editing and managing events
  • 🌈 Limited color options

More Appointment Reminder apps to explore

FAQ about Appointment Reminder

What are the best appointment reminder apps for iPhone?
Calendars: Schedule Planner tops our appointment reminder apps ranking as of September 2026, with a 4.7-star average from 122K App Store ratings, and it's free to download.
Yes — 20 of the top appointment reminder apps we rank are free to download, including Calendars: Schedule Planner and Reminders.
Calendars: Schedule Planner has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ appointment reminder apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Calendars by Readdle is an all-in-one app that functions as a calendar, task manager, daily planner, and habit tracker. It is designed to help users organize their schedules, manage tasks, build routines, and improve overall productivity across their Apple devices.
Key features include viewing and managing your calendar with various views (daily, weekly, monthly), creating events and reminders, organizing to-do lists, adding items using natural language, tracking habits, and syncing across devices with services like Google Calendar and iCloud. It also integrates with meeting platforms like Zoom and Google Meet.

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