Best Microsoft Outlook Calendar Apps

199+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated June 2026

With an average user rating of 4.7★, the microsoft outlook calendar category is one of the App Store's strongest. Browse all 199+ apps we track, sorted so the most loved ones surface first.

Top Picks for Microsoft Outlook Calendar

Microsoft Outlook#1

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Editor's Choice
📊 Productivity
4.8😐(9M 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

Get organized and stay connected with our secure email and calendar application. Manage your schedule, emails, and contacts effortlessly on any device. Download now for seamless productivity.

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
Microsoft 365 Copilot#2

Microsoft 365 Copilot by Microsoft Corporation

AI-powered productivity
Strong Contender
📊 Productivity
4.7😐(1.3M ratings)
FreeAdsIn-App Purchases
#18in 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
Microsoft 365 Copilot screenshot 6

Unlock your productivity with this all-in-one suite of essential office tools. Create documents, analyze data, and design presentations seamlessly with this powerful application suite. Boost your efficiency and streamline your work processes today!

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
Microsoft To Do#3

Microsoft To Do by Microsoft Corporation

Capture Tasks & Set Reminders
Worth Considering
📊 Productivity
4.7😐(257K ratings)
Free
Microsoft To Do screenshot 1
Microsoft To Do screenshot 2
Microsoft To Do screenshot 3
Microsoft To Do screenshot 4
Microsoft To Do screenshot 5
Microsoft To Do screenshot 6

Capture Tasks, To-Do Lists, and Reminders. Stay organized with this task management app that lets you create lists, set reminders, and prioritize tasks. Collaborate with others and access your lists from any device. Stay on top of your tasks with Microsoft To Do.

What We Love

  • 🚀 Lightning-fast syncing
  • 👍 Visually appealing design
  • 📅 Helpful 'My Day' feature
  • 💡 Customizable backgrounds

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🔀 Difficulty rearranging tasks
  • 🗓️ Lack of calendar view

More Microsoft Outlook Calendar apps to explore

4
Calendar
Calendar
Calendar
by Apple Distribution International
Free

Stay organized and effortlessly manage your schedule with this calendar application. Easily create separate calendars for different aspects of your life, view events across various accounts in one place, and enjoy synchronization across all your devices. Schedule events, receive notifications, and simplify meeting invitations with this all-in-one calendar tool.

📊 Productivity
(1.5M)
5
One Calendar
One Calendar
One Calendar
All calendars in ONE place!
Free

Access all your calendars from Google, Outlook, iCloud, and more in one convenient place with easy-to-read overviews and management of appointments and events on all platforms. Simplify your calendar management today!

📊 Productivity
(20K)
6
Microsoft OneDrive
Microsoft OneDrive
Microsoft OneDrive
File & photo cloud storage
Free

Store, access, and share your files securely across devices with ease using this cloud-based storage application. Keep all your important documents in one place and access them anytime, anywhere."

📊 Productivity
(486K)
7
Google Calendar: Get Organized
Google Calendar: Get Organized
Google Calendar: Get Organized
Easily plan & schedule
Free

Stay organized and manage your schedule seamlessly with our calendar application. Sync, schedule, and book appointments with ease. Download now and take control of your time!

📊 Productivity
(130K)
8
Microsoft Teams
Microsoft Teams
Microsoft Teams
Call. Chat. Collaborate
Free

Connect, collaborate, and communicate seamlessly with the all-in-one platform that is designed to bring people together for work or personal projects. Easily host meetings, chat, share files, manage tasks, and collaborate on documents while maintaining a secure and organized environment. Join calls, express yourself with emojis, and stay productive with features like cloud storage and task lists. Download now and experience the power of streamlined teamwork and communication.

💼 Business
(3.4M)
9
Calendars: Schedule Planner
Calendars: Schedule Planner
Calendars: Schedule Planner
Reminder・Tasks Organizer・To Do
Free

Plan your day, schedule events, set reminders, and stay organized with this versatile calendar and planner app. Manage tasks, appointments, and to-do lists easily in one place. Download now and take control of your schedule!

📊 Productivity
(120K)
10
Microsoft Planner
Microsoft Planner
Microsoft Planner
by Microsoft Corporation
Free

This application requires an Office 365 work or school subscription and provides a visual way to organize teamwork. Users can create plans, assign tasks, share files, chat, and track progress collaboratively across devices. Learn more at the provided link.

📊 Productivity
(13K)
11
Microsoft SharePoint
Microsoft SharePoint
Microsoft SharePoint
by Microsoft Corporation
Free

Discover files, news, sites, and people personalized for you with AI-infused features on the go. Easily access, search, collaborate, and stay productive with your team while using the app. Start exploring now for seamless integration and enhanced teamwork.

📊 Productivity
(136K)
12
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Calendar · Planner & Reminders
Planner Organizer & Agenda
Free

Plan, organize, and manage your schedule effectively with this all-in-one planner and organizer app. Stay on top of your tasks, events, and appointments effortlessly. Download now to boost your productivity!

📊 Productivity
(59K)
13
Fantastical Calendar
Fantastical Calendar
Fantastical Calendar
Reminders & Todo List
Free

Organize your events seamlessly with an intuitive calendar app that syncs across devices and allows for easy scheduling and reminders. Stay on top of your tasks and events effortlessly.

📊 Productivity
(23K)
14
Microsoft 365 Admin
Microsoft 365 Admin
Microsoft 365 Admin
by Microsoft Corporation
Free

Manage users, groups, devices, reset passwords, and more with powerful administrative tools. Streamline your administrative tasks efficiently.

📊 Productivity
(5.8K)
15
24me: Calendar・Planner & To Do
24me: Calendar・Planner & To Do
24me: Calendar・Planner & To Do
Reminders, Schedule, Organizer
Free

An intelligent scheduling app that combines calendar, tasks, notes, and personal accounts in one place, allowing users to manage their daily activities efficiently. Stay organized, save time, and streamline your life with this all-in-one productivity tool.

📊 Productivity
(6.7K)
16
TimeTree: Shared Calendar
TimeTree: Shared Calendar
TimeTree: Shared Calendar
Make a Shared Calendar
Free

A versatile shared calendar app with features for families, couples, and work schedules. Easily share calendars, set reminders, sync with other devices, and manage events with chats and to-do lists. Simplify time management and strengthen your connections with TimeTree! Visit the official website for more information: [TimeTree Official Website](https://timetreeapp.com/)

📊 Productivity
(86K)
17
Teamup Calendar
Teamup Calendar
Teamup Calendar
The Shared Calendar for Groups
Free

Teamup Calendar is a shared calendar application for groups that helps organize people, schedule work, and share events efficiently. It offers multiple sub-calendars, customizable fields, event attachments, and powerful timezone support. Visit https://www.teamup.com to get started and learn more.

💼 Business
(1.5K)
18
Spark Mail: AI Email Assistant
Spark Mail: AI Email Assistant
Spark Mail: AI Email Assistant
Smart Inbox & Mail Assistant
Free

"Revolutionize your email experience with an AI-powered business mailbox that organizes, prioritizes, and enhances your communication efficiency."

📊 Productivity
(11K)
19
TickTick:To-Do List & Calendar
TickTick:To-Do List & Calendar
TickTick:To-Do List & Calendar
Task remind, planner,countdown
Free

TickTick is a versatile task management app that helps you organize your life with to-do lists, reminders, and calendar integration. Stay on top of your tasks and boost your productivity with this all-in-one tool. Download now and start getting things done!

📊 Productivity
(43K)
20
Почта Mail: планировщик дня
Почта Mail: планировщик дня
Почта Mail: планировщик дня
Tackle your inbox email!
Free

An efficient and versatile mail app for iPhone, iPad, and iPod Touch supporting various email services with features like multiple account support, full synchronization, personalized spam filter, push notifications, mail caching, contact integration, and quick actions. Stay connected and organized with this user-friendly email application.

📊 Productivity
(19K)