Best Calendar Appointments Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

Looking for free calendar appointments apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Calendar Appointments Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (122K)NoYesSep 2026
2Simple Calendar Daily PlannerSimple Calendar Daily PlannerFree was $6.994.6★ (6.4K)YesYesSep 2026
3Square Appointments: SchedulerSquare Appointments: SchedulerFree4.9★ (195K)NoNoSep 2026
4Good Calendar - Schedule, MemoGood Calendar - Schedule, MemoFree2.0★ (3)NoYesMay 2026
5Acuity: Appointment SchedulerAcuity: Appointment SchedulerFree4.8★ (30K)NoYesSep 2026
6Square - Restaurants POSSquare - Restaurants POSFree4.3★ (4.2K)NoNoSep 2026
7Google Calendar: Get OrganizedGoogle Calendar: Get OrganizedFree4.5★ (132K)NoYesSep 2026
8Only CalendarOnly CalendarFreeNoYesJul 2026

Top Picks for Calendar Appointments

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
#95in Productivity
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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 Daily Planner#2

Simple Calendar Daily Planner by Komorebi Inc.

Easy Schedule, Tasks & Agenda
Strong Contender
📊 Productivity
4.6😊(6.4K ratings)
FreeAdsIn-App Purchases
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This app offers a streamlined calendar experience with a focus on simplicity and ease of use. It allows for easy sharing of schedules, extensive customization options like font size and color-coding, and secure passcode locking. It's ideal for users seeking a functional, minimalist organizer.

What We Love

  • 🚀 Easy to use
  • 👍 Customizable colors and design
  • 💡 Helpful for organization
  • 🚀 Simple calendar functionality
  • 👍 Straightforward and clean interface

Room to Improve

  • 🐛 Glitchy behavior (moving events, deleting, duplicating)
  • 🐛 Language issues (randomly changing to Spanish)
  • 🐛 Widget not working properly
  • 🐛 Syncing issues between devices
  • 🐛 Appointment times changing on their own
Square Appointments: Scheduler#3

Square Appointments: Scheduler by Block, Inc.

Book, Schedule, Get Payments
Worth Considering
💼 Business
4.9😐(195K ratings)
Free
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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

More Calendar Appointments apps to explore

FAQ about Calendar Appointments

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