Best Appointment Calendar Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Finding the right appointment calendar apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Appointment Calendar Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (122K)NoYesSep 2026
2Simple Calendar - SimpleCalSimple Calendar - SimpleCalFree4.7★ (16K)YesYesSep 2026
3Google Calendar: Get OrganizedGoogle Calendar: Get OrganizedFree4.5★ (132K)NoYesSep 2026
4Square Appointments: SchedulerSquare Appointments: SchedulerFree4.9★ (195K)NoNoSep 2026
5CalendarCalendarFree4.9★ (1.5M)NoNoSep 2026
6Simple Calendar Daily PlannerSimple Calendar Daily PlannerFree was $6.994.6★ (6.4K)YesYesSep 2026
7Calendar ۬Calendar ۬FreeNoNoSep 2026
8Calendar Widget & PlannerCalendar Widget & PlannerFree4.6★ (1.2K)YesYesSep 2026

Top Picks for Appointment Calendar

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
#97in 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
Simple Calendar - SimpleCal#2

Simple Calendar - SimpleCal by Yohei Fujikawa

Tasks & ToDo for your schedule
Strong Contender
📊 Productivity
4.7😊(16K ratings)
FreeAdsIn-App Purchases
Simple Calendar - SimpleCal screenshot 1
Simple Calendar - SimpleCal screenshot 2
Simple Calendar - SimpleCal screenshot 3
Simple Calendar - SimpleCal screenshot 4
Simple Calendar - SimpleCal screenshot 5
Simple Calendar - SimpleCal screenshot 6

This app offers a straightforward way to manage your schedule, sync events across devices using iCloud or Google Calendar, and stay organized with reminders and weather forecasts. Its customizable interface and simple design make adding and editing events quick and intuitive.

What We Love

  • 😍 Awesome!!
  • 👍 Easy to use
  • 👍 Well-organized
  • 🎨 Helpful color-coding
  • ⏰ Useful reminders
  • 🗓️ Comprehensive calendar view
  • 🔁 Recurring events
  • 📝 Detailed event notes
  • 🔗 Syncs with iPhone calendar

Room to Improve

  • 🐛 Deleted events/data loss
  • 🔒 Requires full access to Apple Calendar
  • 🗓️ Can't edit read-only events
  • 🎨 Limited color options
  • 🗓️ Can't add events on days with existing events
  • 🔍 No day/week view options
  • 🔌 Ads can be intrusive
Google Calendar: Get Organized#3

Google Calendar: Get Organized by Google

Easily plan & schedule
Worth Considering
📊 Productivity
4.5😊(132K ratings)
FreeIn-App Purchases
#15in Productivity
Google Calendar: Get Organized screenshot 1
Google Calendar: Get Organized screenshot 2
Google Calendar: Get Organized screenshot 3
Google Calendar: Get Organized screenshot 4
Google Calendar: Get Organized screenshot 5
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 Calendar apps to explore

FAQ about Appointment Calendar

What are the best appointment calendar apps for iPhone?
Calendars: Schedule Planner tops our appointment calendar 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 calendar apps we rank are free to download, including Calendars: Schedule Planner and Simple Calendar - SimpleCal.
Calendars: Schedule Planner has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ appointment calendar 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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