Best Outlook Calendar Apps

250+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated August 2026

With an average user rating of 4.7★, the outlook calendar category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Outlook Calendar Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft OutlookMicrosoft OutlookFree4.8★ (9.2M)YesYesAug 2026
2CalendarCalendarFree4.9★ (1.5M)NoNoAug 2026
3Google Calendar: Get OrganizedGoogle Calendar: Get OrganizedFree4.5★ (131K)NoYesAug 2026
4Microsoft To DoMicrosoft To DoFree4.7★ (265K)NoNoAug 2026
5Microsoft OneDriveMicrosoft OneDriveFree4.7★ (487K)NoYesAug 2026
6One CalendarOne CalendarFree4.8★ (21K)NoYesAug 2026
7Microsoft CopilotMicrosoft CopilotFree4.7★ (1.3M)YesYesAug 2026
8Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (121K)NoYesAug 2026

Top Picks for Outlook Calendar

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9.2M ratings)
FreeAdsIn-App Purchases
#8in Productivity
Microsoft Outlook screenshot 1
Microsoft Outlook screenshot 2
Microsoft Outlook screenshot 3
Microsoft Outlook screenshot 4
Microsoft Outlook screenshot 5
Microsoft Outlook screenshot 6

Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files from various cloud services. Enhance productivity with AI-powered writing assistance and smart inbox features.

What We Love

  • 🚀 Great for corporate email
  • 👍 Customizable and user-friendly
  • 🚀 Seamless integration with Microsoft 365
  • 👍 Solid email and calendar functionality

Room to Improve

  • 🐛 Buggy and unstable at times
  • 🔋 High battery consumption
  • 🔒 Security issues with password resets
Calendar#2

Calendar by Apple

Strong Contender
📊 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

Room to Improve

  • 🐛 Autofill suggestions overwrite event time
  • 🔍 Search function not reliable
  • 🔍 Inability to delete past/declined events
Google Calendar: Get Organized#3

Google Calendar: Get Organized by Google

Easily plan & schedule
Worth Considering
📊 Productivity
4.5😊(131K ratings)
FreeIn-App Purchases
#14in 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

More Outlook Calendar apps to explore

4
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
(265K)
free
5
Microsoft OneDrive
Microsoft OneDrive
Microsoft OneDrive
File & photo cloud storage
Free

Securely store, back up, and sync your photos, videos, and files across all your devices. Share content with others, scan documents, and access files offline. Offers free storage with options to upgrade for more space and premium features.

Automatic photo and video backupFile sharing and managementDocument scanning and editing
📊 Productivity
(487K)
free with in-app purchases
6
One Calendar
One Calendar
One Calendar
All calendars in ONE place!
Free

Consolidate all your digital calendars into a single, easy-to-read view. Manage appointments, events, and birthdays from various providers like Google, Outlook, iCloud, and more, all within one application.

Integrates multiple calendar providersEasy-to-read overviewManage appointments and events
📊 Productivity
(21K)
free with in-app purchases
7
Microsoft Copilot
Microsoft Copilot
Microsoft Copilot
AI-powered productivity
Free

This AI-powered app helps you be more productive at work. Chat with an AI assistant to create content, manage projects, find files, and learn new concepts. It offers voice interaction and expert insights for various tasks.

Chat with AI assistantVoice interactionFind files quickly
📊 Productivity
(1.3M)
free with in-app purchases
8
Calendars: Schedule Planner
Calendars: Schedule Planner
Calendars: Schedule Planner
2026 Daily Organizer・Reminder
Free

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.

Calendar, task, and habit managementDaily, weekly, and monthly viewsNatural language event creation
📊 Productivity
(121K)
free with in-app purchases
9
Microsoft Planner
Microsoft Planner
Microsoft Planner
by Microsoft Corporation
Free

Organize teamwork visually with a simple, interactive board. Assign tasks, track progress, and collaborate with your team through integrated conversations and file sharing. Stay updated on all your tasks across different plans and devices.

Visual task boardsTask assignment and trackingTeam collaboration and chat
📊 Productivity
(13K)
free
10
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
11
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
12
Family Calendar: WeMemo
Family Calendar: WeMemo
Family Calendar: WeMemo
Events, To-Do & Countdown
Free

Organize family schedules, to-do lists, and important dates with event alerts and countdowns. Share lists and track activities with privacy settings and AI assistance.

Family event schedulingTo-do and shopping list sharingEvent countdowns
📊 Productivity
(2)
free with in-app purchases
13
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
14
Teamup Calendar
Teamup Calendar
Teamup Calendar
The Shared Calendar for Groups
Free

This app facilitates efficient information sharing and task completion for groups through a shared calendar. It allows for organizing people, scheduling work, managing availability, and securely sharing events with teams or external parties.

View and update multiple sub-calendarsCentrally manage calendar via browserGranular access permissions
💼 Business
(9.3K)
freemium
15
MWE Calendar
MWE Calendar
MWE Calendar
by LINKSIGN UK CO., LTD
Free

This app offers a smart calendar system for teams and individuals, combining scheduling, task management, and social features. It aims to provide a "Calendar-as-a-Platform" experience with incentive mechanisms.

Team collaborationPersonal time managementTask management
🔧 Utilities
(1)
freemium
16
Nextcloud Calendar
Nextcloud Calendar
Nextcloud Calendar
Calendar for Nextcloud
Free

Manage your Nextcloud calendars with a simple mobile app. View, create, and organize events with real-time synchronization across multiple instances. Supports creating meetings with video conference links.

Automatic calendar detectionView, create, and manage eventsReal-time synchronization
📊 Productivity
(2)
free
17
Yearli – Yearly Calendar
Yearli – Yearly Calendar
Yearli – Yearly Calendar
Yearly Planner & Calendar View
Free

Visualize your entire year's schedule at a glance. This app consolidates events from Apple and Google Calendars, offering customizable views to help you spot busy periods and plan ahead without losing the big picture.

Full annual overview of all calendar eventsApple Calendar & Google Calendar supportMultiple configurable views
📊 Productivity
(0)
free with in-app purchases
18
Tilly: Calendar & Planner
Tilly: Calendar & Planner
Tilly: Calendar & Planner
AI Tasks, Focus & Scheduling
Free

Consolidate all your calendars into a single smart planner. This app detects scheduling conflicts and provides a daily briefing to help you manage your time effectively. Organize your schedule with customizable views and color-coding.

Syncs Google Calendar, Apple Calendar, Outlook, and ICSSmart conflict detection with alertsDaily briefing for schedule overview
📊 Productivity
(2)
freemium
19
Calendar Copilot
Calendar Copilot
Calendar Copilot
Sync iCloud, Google, Outlook
$9.99

Seamlessly sync and manage multiple calendars, including work and personal, while maintaining privacy. Block sensitive details from your work calendar and automate event management tasks directly on your device.

Sync iCloud, Google, and Microsoft calendarsBlock personal events from work calendarBulk-edit and delete events
📊 Productivity
(0)
paid
20
Basic Calendar
Basic Calendar
Basic Calendar
by dotori king
Free

This app offers a clean, monthly view of your Apple Calendar data. Personalize your schedule with color themes and stay on top of appointments with home screen widgets. Easily manage your events at a glance.

Monthly calendar viewApple Calendar integrationCustomizable color themes
📊 Productivity
(2)
free with in-app purchases

FAQ about Outlook Calendar

What are the best outlook calendar apps for iPhone?
Microsoft Outlook tops our outlook calendar apps ranking as of August 2026, with a 4.8-star average from 9.2M App Store ratings, and it's free to download.
Yes — 19 of the top outlook calendar apps we rank are free to download, including Microsoft Outlook and Calendar.
Microsoft Outlook shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ outlook calendar apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This application consolidates all your email accounts and calendars into a single, convenient location. It helps you manage your inbox, schedule meetings, and access files from various cloud storage services. The app also offers AI-powered features to enhance productivity, such as summarizing long email threads and assisting with writing.
Key features include a smart inbox that sorts messages, quick swipe actions for managing emails, easy sharing of meeting availability, and the ability to find contacts and trips. You can also view and attach files from services like OneDrive and Dropbox without downloading them, and edit Office documents directly within the app.

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