Best Microsoft Outlook Calendar Apps

249+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated July 2026

With an average user rating of 4.7★, the microsoft outlook calendar category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Microsoft Outlook Calendar Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Microsoft OutlookMicrosoft OutlookFree4.8★ (9.1M)YesYesAug 2026
2CalendarCalendarFree4.9★ (1.5M)NoNoAug 2026
3Microsoft 365 CopilotMicrosoft 365 CopilotFree4.7★ (1.3M)YesYesAug 2026
4Microsoft To DoMicrosoft To DoFree4.7★ (265K)NoNoAug 2026
5One CalendarOne CalendarFree4.8★ (20K)NoYesAug 2026
6Microsoft PlannerMicrosoft PlannerFree4.6★ (13K)NoNoAug 2026
7Google Calendar: Get OrganizedGoogle Calendar: Get OrganizedFree4.5★ (131K)NoYesAug 2026
8Microsoft TeamsMicrosoft TeamsFree4.8★ (3.4M)NoYesAug 2026

Top Picks for Microsoft Outlook Calendar

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9.1M ratings)
FreeAdsIn-App Purchases
#10in 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
Microsoft 365 Copilot#3

Microsoft 365 Copilot by Microsoft Corporation

AI-powered productivity
Worth Considering
📊 Productivity
4.7😐(1.3M ratings)
FreeAdsIn-App Purchases
#27in Productivity
Microsoft 365 Copilot screenshot 1
Microsoft 365 Copilot screenshot 2
Microsoft 365 Copilot screenshot 3
Microsoft 365 Copilot screenshot 4
Microsoft 365 Copilot screenshot 5

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.

What We Love

  • 🚀 Seamless integration of Office apps
  • 🔒 Secure cloud storage with OneDrive
  • 👍 Convenient all-in-one productivity solution
  • 🚀 Great for on-the-go work and collaboration

Room to Improve

  • 🐛 Inconsistent file saving and syncing
  • 🔍 Confusing file management and navigation
  • 🔍 Limited functionality compared to desktop Office

More Microsoft 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
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
(20K)
free with in-app purchases
6
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
7
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
(131K)
free with in-app purchases
8
Microsoft Teams
Microsoft Teams
Microsoft Teams
Call. Chat. Collaborate
Free

This app brings people together for community activities or work projects. It offers integrated chat, events, meetings, storage, and task management. Connect, collaborate, and get things done securely in one place.

Community and team organization1-on-1 and group chatSecure audio and video calls
💼 Business
(3.4M)
free
9
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
10
Microsoft SharePoint
Microsoft SharePoint
Microsoft SharePoint
by Microsoft Corporation
Free

Access organizational files, news, and colleagues on the go. This app uses AI to personalize your experience, helping you find expertise and content quickly. Stay connected with your team and collaborate effectively from anywhere.

Personalized file and news discoveryAI-powered search for content and expertiseAccess team and communication sites
📊 Productivity
(139K)
free
11
Microsoft 365 Admin
Microsoft 365 Admin
Microsoft 365 Admin
by Microsoft Corporation
Free

Manage your Microsoft 365 or Office 365 business subscription from your mobile device. Add users, reset passwords, manage devices, and monitor service health. Stay informed with critical notifications and support requests on the go.

Manage users and groupsReset passwordsManage devices
📊 Productivity
(5.8K)
free
12
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
13
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
(9.2K)
freemium
14
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
15
My Calendar Global
My Calendar Global
My Calendar Global
My Calendar Global
Free
🔧 Utilities
(0)
16
Calendar ۬
Calendar ۬
Calendar ۬
Planner Task & Calendar
Free
📊 Productivity
(0)
17
CalendarThis
CalendarThis
CalendarThis
Instant AI Calendar
Free
📊 Productivity
(0)
18
SayDate - AI Smart Calendar
SayDate - AI Smart Calendar
SayDate - AI Smart Calendar
Chat to Schedule & Plan
Free
📊 Productivity
(0)
19
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
20
Calendar®
Calendar®
Calendar®
Make Your Own Desktop Calendar
$4.99
🔧 Utilities
(0)

FAQ about Microsoft Outlook Calendar

What are the best microsoft outlook calendar apps for iPhone?
Microsoft Outlook tops our microsoft outlook calendar apps ranking as of July 2026, with a 4.8-star average from 9.1M App Store ratings, and it's free to download.
Yes — 19 of the top microsoft 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 July 2026.
We track 249+ microsoft outlook calendar apps on the iOS App Store as of July 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.