Best Free Calendar App Appointment

246+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our free calendar app appointment list covers 246+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Free Calendar App Appointment (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CalendarCalendarFree4.9★ (1.5M)NoNoSep 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
4Simple Calendar - SimpleCalSimple Calendar - SimpleCalFree4.7★ (16K)YesYesSep 2026
5Calendar ۬Calendar ۬FreeNoNoSep 2026
6Appointment Scheduling bbookAppointment Scheduling bbookFree2.0★ (1)NoNoJul 2026
7Calendar: Meeting & SchedulingCalendar: Meeting & SchedulingFree4.2★ (125)NoNoAug 2026
8Simple Calendar AppSimple Calendar AppFree4.8★ (66)YesYesAug 2026

Top Picks for Free Calendar App Appointment

Calendar#1

Calendar by Apple

Editor's Choice
📊 Productivity
4.9😐(1.5M ratings)
Free
Calendar screenshot 1
Calendar screenshot 2
Calendar screenshot 3
Calendar screenshot 4

Organize your entire schedule in one place. View events from multiple accounts, manage tasks, and plan gatherings with others. Stay on top of appointments, holidays, and birthdays with customizable views and shared calendars.

What We Love

  • 🚀 Essential app for staying organized
  • 👍 Clean, intuitive, and easy to navigate
  • 🔒 Seamless sync across devices
  • 👍 Helpful integration with other apps
  • 👍 Ability to set multiple alerts, share events, and color-code calendars

Room to Improve

  • 🐛 Autofill suggestions overwrite event time
  • 🔍 Search function not reliable
  • 🔍 Inability to delete past/declined events
  • 🔍 Confusing interface, cluttered month view
  • 🔍 Lack of customization options for alerts and reminders
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
Simple Calendar Daily Planner screenshot 1
Simple Calendar Daily Planner screenshot 2
Simple Calendar Daily Planner screenshot 3
Simple Calendar Daily Planner screenshot 4
Simple Calendar Daily Planner screenshot 5
Simple Calendar Daily Planner screenshot 6

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
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
  • 🕰️ 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 Free Calendar App Appointment apps to explore

FAQ about Free Calendar App Appointment

What is the best free calendar app appointment for iPhone?
Calendar tops our free calendar app appointment ranking as of September 2026, with a 4.9-star average from 1.5M App Store ratings, and it's free to download.
Calendar has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 246+ free calendar app appointment on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides a unified view of your schedule by integrating events from various calendar accounts like iCloud, Exchange, and Google. It allows you to plan and coordinate events, manage tasks, and share calendars with others.
Key features include seeing all your events in one place, creating and editing appointments, managing reminders alongside your calendar, sharing calendars with others, and subscribing to additional calendars like holidays and birthdays.