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Best To Do Calendar Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our to do calendar list covers 249+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top To Do Calendar Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Structured: Daily Planner TodoStructured: Daily Planner TodoFree4.8★ (165K)NoYesSep 2026
2Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (121K)NoYesSep 2026
3TickTick:To-Do List & CalendarTickTick:To-Do List & CalendarFree4.9★ (45K)NoYesSep 2026
4Todoist: To Do List & CalendarTodoist: To Do List & CalendarFree4.8★ (128K)NoYesSep 2026
5To Do List - Dumb CalendarTo Do List - Dumb CalendarFree—NoNoAug 2026
6Simple Calendar: ToDo PlannerSimple Calendar: ToDo PlannerFree was $6.994.6★ (6.4K)YesYesSep 2026
7Tiny Calendar: Planner & TasksTiny Calendar: Planner & TasksFree4.6★ (21K)YesYesSep 2026
824me: Calendar・Planner & To Do24me: Calendar・Planner & To DoFree4.5★ (6.8K)NoYesSep 2026

Top Picks for To Do Calendar

Structured: Daily Planner Todo#1

Structured: Daily Planner Todo by unorderly GmbH

Visual Calendar & Organizer
Editor's Choice
📊 Productivity
4.8😊(165K ratings)
FreeIn-App Purchases
#77in Productivity
Structured: Daily Planner Todo screenshot 1
Structured: Daily Planner Todo screenshot 2
Structured: Daily Planner Todo screenshot 3
Structured: Daily Planner Todo screenshot 4
Structured: Daily Planner Todo screenshot 5
Structured: Daily Planner Todo screenshot 6

Organize your day with a visual timeline that integrates your calendar, to-dos, routines, and habits. This app helps users feel calmer, focus faster, and accomplish more daily. It's ideal for work, study, travel, and managing ADHD, offering planning tools and focus timers.

What We Love

  • 🚀 Highly organized and structured
  • 🎨 Customizable colors and icons
  • ⏱️ Visualizes time and task duration
  • 🗓️ Integrates with calendar and reminders

Room to Improve

  • 🕰️ Tedious to change task times
  • 🔀 Difficulty rearranging tasks
  • 🔍 Lack of search for icons
Calendars: Schedule Planner#2

Calendars: Schedule Planner by Readdle Technologies Limited

2026 Daily Organizer・Reminder
Strong Contender
📊 Productivity
4.7😊(121K ratings)
FreeIn-App Purchases
#90in 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
TickTick:To-Do List & Calendar#3

TickTick:To-Do List & Calendar by Appest Limited

Task remind, planner,countdown
Worth Considering
📊 Productivity
4.9😊(45K ratings)
FreeIn-App Purchases
#95in Productivity
TickTick:To-Do List & Calendar screenshot 1
TickTick:To-Do List & Calendar screenshot 2
TickTick:To-Do List & Calendar screenshot 3
TickTick:To-Do List & Calendar screenshot 4
TickTick:To-Do List & Calendar screenshot 5
TickTick:To-Do List & Calendar screenshot 6

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.

What We Love

  • 🚀 Highly customizable
  • 👍 Clean, intuitive interface
  • 🕰 Excellent habit tracking
  • 📅 Seamless calendar integration

Room to Improve

  • 🐛 Occasional syncing issues
  • 🔒 Subscription required for full functionality
  • 📝 Limited formatting options in notes

More To Do Calendar apps to explore

4
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
(128K)
freemium
5
To Do List - Dumb Calendar
To Do List - Dumb Calendar
To Do List - Dumb Calendar
Simple & Clean To Do List
Free
📊 Productivity
(0)
6
Simple Calendar: ToDo Planner
Simple Calendar: ToDo Planner
Simple Calendar: ToDo Planner
Schedule list & day organizer
Free
$6.99 | 100% OFF

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.

Schedule sharing15 WidgetsAdjustable font size
📊 Productivity
(6.4K)
free with in-app purchases
7
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
8
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
(6.8K)
free with in-app purchases
9
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
10
To-Do List & Calendar: Cale
To-Do List & Calendar: Cale
To-Do List & Calendar: Cale
Task Remind, Planner,Countdown
Free

This app combines a to-do list, calendar, and reminders to help you plan your day, manage tasks, and track important events. It offers features like checklists, habit tracking, and a focus timer to boost productivity and reduce stress.

To Do List & ChecklistCalendar PlannerReminders
📊 Productivity
(2)
free
11
To-do Calendar
To-do Calendar
To-do Calendar
Calendar with to-do list.
Free
📊 Productivity
(0)
12
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
13
Simple To-Do Calendar
Simple To-Do Calendar
Simple To-Do Calendar
App to manage tasks by date.
Free
📊 Productivity
(0)
14
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
15
Hey To Do: Calendar,Hashtag
Hey To Do: Calendar,Hashtag
Hey To Do: Calendar,Hashtag
To-do, Calendar, Hashtags
Free
📊 Productivity
(0)
16
Yearly Calendar
Yearly Calendar
Yearly Calendar
by Slower Ltd
Free
📊 Productivity
(0)
17
Calendar 2026 & ToDo Planner
Calendar 2026 & ToDo Planner
Calendar 2026 & ToDo Planner
ToDo & Tasks for your schedule
Free
📊 Productivity
(0)
18
Google Calendar: Get Organized
Google Calendar: Get Organized
Google Calendar: Get Organized
Easily plan & schedule
Free

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.

Automatic event import from GmailCross-device synchronizationShared calendars for collaboration
📊 Productivity
(132K)
free with in-app purchases
19
Tac: To-Do List and Calendar
Tac: To-Do List and Calendar
Tac: To-Do List and Calendar
by Jebin Joseph
Free

This app offers a tactile approach to managing your schedule and tasks. Easily update event times with drag-and-drop functionality and reschedule by swiping. Integrate your to-do list by dragging tasks directly onto your calendar.

Drag and drop event time updatesSwipe to unschedule/reschedule eventsDrag tasks from to-do list to calendar
📊 Productivity
(2)
free
20
PocketLife Calendar
PocketLife Calendar
PocketLife Calendar
Calendar Organizer & Reminders
Free

Organize your life with a stylish and intuitive calendar app. It offers powerful customization, seamless syncing with popular services, and natural language event creation. Share events, set reminders, and personalize your calendar views.

Calendar sharing with friends and familyFast sync with Google, Outlook, iCal, Yahoo, iCloudCreate events using natural language
📊 Productivity
(41K)
free with in-app purchases

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FAQ about To Do Calendar

What are the best to do calendar apps for iPhone?
Structured: Daily Planner Todo tops our to do calendar apps ranking as of August 2026, with a 4.8-star average from 165K App Store ratings, and it's free to download.
Yes — 20 of the top to do calendar apps we rank are free to download, including Structured: Daily Planner Todo and Calendars: Schedule Planner.
Structured: Daily Planner Todo has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ to do calendar apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you take control of your day by planning with a clear visual timeline that integrates your calendar, to-dos, routines, and habits. It aims to help users feel calmer, focus faster, and get more done daily.
Key features include organizing your day and week in an intuitive timeline, capturing ideas instantly in an Inbox, breaking down projects with sub-tasks and notes, and staying on track with a Pomodoro focus timer. It also offers personalization with color-coding and icons, and accessibility features.

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