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Best Free Calendar App Organizer

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

Looking for free free calendar app organizer? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Free Calendar App Organizer (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (121K)NoYesAug 2026
2Google Calendar: Get OrganizedGoogle Calendar: Get OrganizedFree4.5★ (131K)NoYesAug 2026
3Simple Calendar: ToDo PlannerSimple Calendar: ToDo PlannerFree was $6.994.6★ (6.4K)YesYesAug 2026
4Simple Calendar・Schedule appSimple Calendar・Schedule appFree4.6★ (2.3K)YesNoAug 2026
5Simple Calendar - SimpleCalSimple Calendar - SimpleCalFree4.7★ (16K)YesYesAug 2026
6CalendarCalendarFree4.9★ (1.5M)NoNoAug 2026
7Calendar · Planner & RemindersCalendar · Planner & RemindersFree4.6★ (59K)YesYesAug 2026
8Cozi Family OrganizerCozi Family OrganizerFree4.8★ (395K)YesYesAug 2026

Top Picks for Free Calendar App Organizer

Calendars: Schedule Planner#1

Calendars: Schedule Planner by Readdle Technologies Limited

2026 Daily Organizer・Reminder
Editor's Choice
📊 Productivity
4.7😊(121K ratings)
FreeIn-App Purchases
#93in 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

Room to Improve

  • 🐛 Occasional glitches and data loss
  • 💰 Concerns over subscription model
  • 🕰️ Cumbersome date/time selection process
Google Calendar: Get Organized#2

Google Calendar: Get Organized by Google

Easily plan & schedule
Strong Contender
📊 Productivity
4.5😊(131K ratings)
FreeIn-App Purchases
#13in 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

Room to Improve

  • 🐛 Crashes and freezes
  • 🕰️ Slow loading times
  • 📆 Date on app icon doesn't change
Simple Calendar: ToDo Planner#3

Simple Calendar: ToDo Planner by Komorebi Inc.

Schedule list & day organizer
Worth Considering
📊 Productivity
4.6😊(6.4K ratings)
FreeAdsIn-App Purchases
Simple Calendar: ToDo Planner screenshot 1
Simple Calendar: ToDo Planner screenshot 2
Simple Calendar: ToDo Planner screenshot 3
Simple Calendar: ToDo Planner screenshot 4
Simple Calendar: ToDo Planner screenshot 5
Simple Calendar: ToDo 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

Room to Improve

  • 🐛 Glitchy behavior (moving events, deleting, duplicating)
  • 🐛 Language issues (randomly changing to Spanish)
  • 🐛 Widget not working properly

More Free Calendar App Organizer apps to explore

4
Simple Calendar・Schedule app
Simple Calendar・Schedule app
Simple Calendar・Schedule app
simple and cool calendar app
Free

This app offers a streamlined calendar experience, focusing on essential features for easy event management. It's designed for users who prefer simplicity and a clean interface over complex functionalities. Get organized with core calendar tools and helpful notifications.

Calendar viewEvent creationSearch functionality
📊 Productivity
(2.3K)
ad-supported
5
Simple Calendar - SimpleCal
Simple Calendar - SimpleCal
Simple Calendar - SimpleCal
Tasks & ToDo for your schedule
Free

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.

Cross-platform sync (iCloud/Google)Event reminders (daily, weekly, monthly, yearly)Weather forecast integration
📊 Productivity
(16K)
free with in-app purchases
6
Calendar
Calendar
Calendar
by Apple
Free

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.

Unified schedule viewEvent creation and editingTask management integration
📊 Productivity
(1.5M)
free
7
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Tasks, Agenda & To Do List AI
Free

This app offers a streamlined calendar experience with beautiful, intuitive views of your schedule. It unifies events and reminders, allows for quick natural language event entry, and provides contact history. It supports major calendar services and offers premium features through subscription.

Intuitive day and month viewsUnified events and remindersNatural language event entry
📊 Productivity
(59K)
free with in-app purchases
8
Cozi Family Organizer
Cozi Family Organizer
Cozi Family Organizer
Shared Calendar & To-Do Lists
Free

This app helps families organize their busy lives with a shared calendar, to-do lists, and recipe box. It keeps everyone on the same page for appointments, shopping, and meal planning, accessible from any device.

Shared family calendarColor-coded schedulingReminders and agenda emails
📊 Productivity
(395K)
free with in-app purchases
9
Calendar App- Schedule Planner
Calendar App- Schedule Planner
Calendar App- Schedule Planner
Plan Your Day, Week & Life
Free
📊 Productivity
(0)
10
Calendar All-In-One Planner
Calendar All-In-One Planner
Calendar All-In-One Planner
Sync Agenda Tasks & Reminders
Free

Enhance your standard mobile calendar with advanced features for better organization. This app offers a clear overview, powerful reminder functions, and easy event management. Customize your schedule with color-coding, templates, and support for various calendar services.

Syncs iCloud, Exchange, Google calendarsDay, week, month, year viewsDrag and drop event relocation
📊 Productivity
(94)
free with in-app purchases
11
Week Calendar - Event Manager
Week Calendar - Event Manager
Week Calendar - Event Manager
Week Calendar - Event Manager
Free
📊 Productivity
(0)
12
Calendar : Planner & Organizer
Calendar : Planner & Organizer
Calendar : Planner & Organizer
Calendar
Free

A free organizer for managing all your activities, from work and studies to family events and holidays. Easily schedule new events, set reminders, and organize your timetable with color-coding. Share your calendar with others to sync tasks and plan together.

Daily, weekly, and monthly planningColor-coded event organizationTask and event reminders
📊 Productivity
(2)
ad-supported
13
Tiny Calendar: Planner & Tasks
Tiny Calendar: Planner & Tasks
Tiny Calendar: Planner & Tasks
Agenda, Organizer & Reminders
Free

This intuitive calendar app syncs with your existing calendars, offering powerful event creation and management tools. Access your schedule offline, set advanced reminders, and view your events in multiple formats on your iPhone, iPad, and Apple Watch.

Natural language input for event creationDrag and drop event editingSyncs with Google Calendar and iOS local calendars
📊 Productivity
(21K)
subscription
14
Sidecar: Shared Calendar
Sidecar: Shared Calendar
Sidecar: Shared Calendar
Organizer for couples & family
Free
📊 Productivity
(0)
15
Daily Calendar: Day Organizer
Daily Calendar: Day Organizer
Daily Calendar: Day Organizer
Schedule, Planner, To Do List
Free

This app offers a simple and functional calendar experience with customizable features like stickers and flexible task management. It helps users stay organized, never miss schedules, and collaborate efficiently. An optional premium upgrade unlocks advanced features.

Sync tasks across devicesMultiple remindersFlexible calendar views
📊 Productivity
(2)
freemium
16
Only Calendar
Only Calendar
Only Calendar
A clean calendar for planning
Free
📊 Productivity
(0)
17
Shared Calendar & Organizer
Shared Calendar & Organizer
Shared Calendar & Organizer
Calendar for Friends & Family
Free
📊 Productivity
(0)
18
WiseCal - Smart Calendar
WiseCal - Smart Calendar
WiseCal - Smart Calendar
Screenshot to Calendar Event
Free
🔧 Utilities
(0)
19
OneCalendar Free - All in one calendar
OneCalendar Free - All in one calendar
OneCalendar Free - All in one calendar
by Hoan Ngo
Free

This app combines multiple productivity tools into a single interface. Manage your schedule, to-do lists, weather forecasts, and notes with photo diaries, all in one place.

Calendar synchronizationTo-do list managementWeather forecasts
📊 Productivity
(1)
free
20
Caledari: AI Calendar Planner
Caledari: AI Calendar Planner
Caledari: AI Calendar Planner
Booking link & calm planner
Free
$3.99 | 100% OFF
📊 Productivity
(0)

FAQ about Free Calendar App Organizer

What is the best free calendar app organizer for iPhone?
Calendars: Schedule Planner tops our free calendar app organizer ranking as of August 2026, with a 4.7-star average from 121K App Store ratings, and it's free to download.
Calendars: Schedule Planner has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ free calendar app organizer on the iOS App Store as of August 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.