Best Appointments Reminder Apps

249+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Whether you're new to appointments reminder or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Appointments Reminder Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (122K)NoYesSep 2026
2Doc.AppointDoc.AppointFreeNoNoJul 2026
3Structured: Daily Planner TodoStructured: Daily Planner TodoFree4.8★ (166K)NoYesSep 2026
4RemindersRemindersFree4.8★ (813K)NoNoSep 2026
5Go Appointment RemindersGo Appointment RemindersFree4.8★ (540)YesNoSep 2026
6Simple Calendar - SimpleCalSimple Calendar - SimpleCalFree4.7★ (16K)YesYesSep 2026
7Google Calendar: Get OrganizedGoogle Calendar: Get OrganizedFree4.5★ (132K)NoYesSep 2026
8Square Appointments: SchedulerSquare Appointments: SchedulerFree4.9★ (195K)NoNoSep 2026

Top Picks for Appointments 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
#92in Productivity
Calendars: Schedule Planner screenshot 1
Calendars: Schedule Planner screenshot 2
Calendars: Schedule Planner screenshot 3
Calendars: Schedule Planner screenshot 4
Calendars: Schedule Planner screenshot 5
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
Structured: Daily Planner Todo#3

Structured: Daily Planner Todo by unorderly GmbH

Visual Calendar & Organizer
Worth Considering
📊 Productivity
4.8😊(166K ratings)
FreeIn-App Purchases
#71in Productivity
Structured: Daily Planner Todo screenshot 1
Structured: Daily Planner Todo screenshot 2
Structured: Daily Planner Todo screenshot 3
Structured: Daily Planner Todo screenshot 4
Structured: Daily Planner Todo screenshot 5
Structured: Daily Planner Todo screenshot 6

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.

What We Love

  • 🚀 Highly organized and structured
  • 🎨 Customizable colors and icons
  • ⏱️ Visualizes time and task duration
  • 🗓️ Integrates with calendar and reminders
  • 🧠 Helpful for ADHD and neurodivergent users
  • 💰 Affordable one-time purchase
  • 🤝 Generous scholarship program
  • 🧑‍💻 Responsive and caring developer

Room to Improve

  • 🕰️ Tedious to change task times
  • 🔀 Difficulty rearranging tasks
  • 🔍 Lack of search for icons
  • 📅 Missing weekly/monthly view
  • ⏰ Notifications not customizable
  • 🤖 Apple Watch app issues
  • 💻 Mac app crashes frequently

More Appointments Reminder apps to explore

FAQ about Appointments Reminder

What are the best appointments reminder apps for iPhone?
Calendars: Schedule Planner tops our appointments 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 appointments reminder apps we rank are free to download, including Calendars: Schedule Planner and Doc.Appoint.
Calendars: Schedule Planner has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ appointments 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.