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Best Free To Do Calendar Apps

242+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

If you already know Calendars, this is the deeper bench. 242+ free to do calendar apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.

Compare top Free To Do Calendar Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (120K)YesYesJul 2026
2Google Calendar: Get OrganizedGoogle Calendar: Get OrganizedFree4.5★ (131K)YesYesJul 2026
3Simple Calendar: ToDo PlannerSimple Calendar: ToDo PlannerFree was $6.994.6★ (6.4K)YesYesJul 2026
4To Do List, Calendar OrganizerTo Do List, Calendar OrganizerFree4.3★ (1.6K)NoYesJul 2026
5Weekly Planner - Diary, NotesWeekly Planner - Diary, NotesFree4.7★ (15K)NoYesJul 2026
624me: Calendar・Planner & To Do24me: Calendar・Planner & To DoFree4.5★ (6.7K)YesYesJul 2026
7Simple Calendar - SimpleCalSimple Calendar - SimpleCalFree4.7★ (16K)YesYesJul 2026
8TickTick:To-Do List & CalendarTickTick:To-Do List & CalendarFree4.9★ (44K)YesYesJul 2026

Top Picks for Free To Do Calendar

Calendars: Schedule Planner#1

Calendars: Schedule Planner by Readdle Technologies Limited

Reminder・Tasks Organizer・To Do
Editor's Choice
📊 Productivity
4.7😊(120K ratings)
FreeAdsIn-App Purchases
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)
FreeAdsIn-App Purchases
#17in 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 To Do Calendar apps to explore

4
To Do List, Calendar Organizer
To Do List, Calendar Organizer
To Do List, Calendar Organizer
Digital Daily Agenda Planner
Free

This app combines to-do lists, calendars, and reminders into a single, user-friendly interface. Plan your day, week, or month with intuitive views and never miss an important task or event with customizable reminders. It's designed to help you manage your busy life more efficiently.

Organize tasks in folders and sectionsDrag-and-drop sortingAdd subtasks, notes, and attachments
📊 Productivity
(1.6K)
subscription
5
Weekly Planner - Diary, Notes
Weekly Planner - Diary, Notes
Weekly Planner - Diary, Notes
Visual calendar & to do list
Free

Organize your life with a simple, visual weekly planner. Easily add appointments, to-do lists, and recurring events. Enjoy a minimalist approach to tracking tasks and priorities, similar to a paper planner but digital.

Visual weekly calendarTo-do list creationAdd appointments and tasks
📊 Productivity
(15K)
free with in-app purchases
6
24me: Calendar・Planner & To Do
24me: Calendar・Planner & To Do
24me: Calendar・Planner & To Do
Reminders, Schedule, Organizer
Free

This app acts as a smart personal assistant, consolidating your calendar, to-do lists, notes, and personal accounts into one unified platform. It streamlines daily management with features like voice commands, smart reminders, and email-to-task conversion, helping you stay organized and productive.

Unified calendar and plannerSmart task manager and to-do listSimple notes and lists
📊 Productivity
(6.7K)
free with in-app purchases
7
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
8
TickTick:To-Do List & Calendar
TickTick:To-Do List & Calendar
TickTick:To-Do List & Calendar
Task remind, planner,countdown
Free

This app helps you manage tasks, schedule events, and build habits. It offers cross-device synchronization, multiple reminders, and collaboration features. Stay organized and boost productivity with its comprehensive planning tools.

Cross-device task synchronizationMultiple reminders and flexible schedulingCalendar views and integration
📊 Productivity
(44K)
freemium
9
Vantage Calendar
Vantage Calendar
Vantage Calendar
Calendar & To-Do List
Free

This app offers a visually engaging way to manage your schedule and to-do lists. It uses colorful cues, stickers, and "stacks" to help you understand your day at a glance. Integrated to-dos can be easily scheduled by dragging and dropping them onto dates.

Visual cues (colors, stickers, book covers)Summarize days with 'Stacks'Integrated to-do lists in notebooks
📊 Productivity
(1.8K)
free with in-app purchases
10
Microsoft To Do
Microsoft To Do
Microsoft To Do
Capture Tasks & Set Reminders
Free

Manage your daily tasks and create various lists to stay organized. This app offers personalized daily planning tools and intelligent suggestions to help you focus on what matters. Collaborate with others on shared lists and access your tasks across all your devices.

Personalized daily plannerIntelligent task suggestionsCross-device syncing
📊 Productivity
(257K)
free
11
eCalendar - Daily Planner
eCalendar - Daily Planner
eCalendar - Daily Planner
Schedule and Plan
Free

Organize your schedule with this app that allows for magic import of reminders via email. It also provides weather updates based on your location and allows photo uploads from your album. Membership offers enhanced planning features.

Magic import of reminders via emailLocation-based weather updatesPhoto album access for uploads
📷 Photo & Video
(15K)
free with in-app purchases
12
Todoist: To Do List & Calendar
Todoist: To Do List & Calendar
Todoist: To Do List & Calendar
Task manager & Reminders
Free

Organize your personal and professional life with this intuitive task manager. Capture ideas naturally, manage projects with flexible views, and collaborate with teams seamlessly. It syncs across all your devices, ensuring nothing falls through the cracks.

Natural language task inputQuick Add functionalityFlexible project views (list, board, calendar)
📊 Productivity
(127K)
freemium
13
Any.do: To do list & Planner
Any.do: To do list & Planner
Any.do: To do list & Planner
Reminders, Calendar & Tasks
Free

Organize your life with a comprehensive task list, calendar, and reminder app. Seamlessly sync across devices, set location-based or recurring reminders, and collaborate on shared lists. Boost productivity with intuitive task management and daily planning features.

Seamless cross-device syncingLocation-based and recurring remindersShared lists and task assignment
📊 Productivity
(50K)
free with in-app purchases
14
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
(386K)
free with in-app purchases
15
Week Calendar - Smart Planner
Week Calendar - Smart Planner
Week Calendar - Smart Planner
Sync Agenda Tasks & Reminders
Free

This app offers a highly customizable calendar experience with multiple view options and automation tools. It allows for easy event management, integration with popular calendar services, and includes features like weather forecasts and calendar insights. An optional Pro version unlocks additional widgets and features.

Customizable calendar views (Day, Agenda, Month, Year)Event automation and templatesDrag-and-drop event rescheduling
📊 Productivity
(10K)
free with in-app purchases
16
Planner Pro - Daily Planner
Planner Pro - Daily Planner
Planner Pro - Daily Planner
Daily To Do List & Organizer
Free

This app helps you manage your daily life by combining events, tasks, and notes in one place. It offers customizable settings for events, tasks with sub-tasks, notes with sketching and audio capabilities, and a focus timer. Organize your schedule with day, week, and month views, and search through all your records.

Event management with iOS calendar syncTask and project management with sub-tasksNotes with sketching and audio support
📊 Productivity
(13K)
free with in-app purchases
17
Do! - Simple To Do List
Do! - Simple To Do List
Do! - Simple To Do List
The Best of Simple To Do Lists
Free

This app helps you manage your daily tasks with a focus on simplicity and ease of use. Quickly add and complete tasks, set reminders, and automate recurring items. Securely store your data and personalize the experience with themes and fonts.

Fast task addition and completionRecurring task automationHome screen widgets for task visibility
📊 Productivity
(26K)
free with in-app purchases
18
To Do List - GoodTask
To Do List - GoodTask
To Do List - GoodTask
미리 알림과 달력으로 할 일 관리
Free

Organize your day and manage tasks with this powerful project manager. It syncs with your existing Reminders and Calendars, offering customizable views and smart lists to help you get things done.

Syncs with iOS Reminders & CalendarsCustomizable recurring tasksList, Day, Week, Month, and Board views
📊 Productivity
(2K)
free with in-app purchases
19
Simplish Planner & To Do List
Simplish Planner & To Do List
Simplish Planner & To Do List
Tasks, Calendar & Reminders
Free

This app combines your calendar, tasks, notes, and team messaging into one organized system. It helps you achieve work-life balance with compartmentalized workspaces and a daily planner, offering over 30 organizing features. Designed for mobile, it streamlines your life and reduces chaos.

Integrated calendar, tasks, and notesCompartmentalized workspacesDaily planner tool
📊 Productivity
(920)
free with in-app purchases
20
Sorted³ - Calendar Notes Tasks
Sorted³ - Calendar Notes Tasks
Sorted³ - Calendar Notes Tasks
Planner, Reminders & To Do
Free

This app unifies your calendar events and tasks into a single timeline, allowing for formatted notes and attachments. It helps you effortlessly schedule your day with features like Auto Schedule and built-in flexibility to adjust to changes.

Unified timeline for events and tasksFormatted notes and attachmentsEffortless scheduling with Auto Schedule
📊 Productivity
(4K)
free with in-app purchases

FAQ about Free To Do Calendar

What are the best free to do calendar apps for iPhone?
Calendars: Schedule Planner tops our free to do calendar apps ranking as of July 2026, with a 4.7-star average from 120K App Store ratings, and it's free to download.
Calendars: Schedule Planner shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 242+ free to do calendar apps on the iOS App Store as of July 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.