Best Outlook Calendar Alternative Apps

214+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our outlook calendar alternative list covers 214+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Outlook Calendar Alternative

24me: Calendar・Planner & To Do#1

24me: Calendar・Planner & To Do by 24me Ltd

Reminders, Schedule, Organizer
Editor's Choice
📊 Productivity
4.5😊(6.7K ratings)
FreeAdsIn-App Purchases
24me: Calendar・Planner & To Do screenshot 1
24me: Calendar・Planner & To Do screenshot 2
24me: Calendar・Planner & To Do screenshot 3
24me: Calendar・Planner & To Do screenshot 4
24me: Calendar・Planner & To Do screenshot 5
24me: Calendar・Planner & To Do screenshot 6

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.

What We Love

  • 👍 Easy to use
  • 🚀 Keeps me organized
  • 💡 Integrates calendar, tasks, and notes
  • 🚀 Helpful reminders and notifications

Room to Improve

  • 🐛 Syncing issues between devices
  • 🐛 Buggy and crashes occasionally
  • 💰 Expensive premium subscription
Microsoft Outlook#2

Microsoft Outlook by Microsoft Corporation

Secure Email, Calendar & Files
Strong Contender
📊 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
Calendar#3

Calendar by Apple Inc.

Worth Considering
📊 Productivity
4.9😐(1.5M ratings)
Free
Calendar screenshot 1
Calendar screenshot 2
Calendar screenshot 3
Calendar screenshot 4

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.

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

More Outlook Calendar Alternative apps to explore

4
PocketLife Calendar
PocketLife Calendar
PocketLife Calendar
Calendar Organizer & Reminders
Free

PocketLife Calendar is a versatile calendar organizer that helps you stay organized and never miss an important event. Manage your schedule effectively with ease. Download now for effortless event planning!

📊 Productivity
(41K)
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
Mail+ for Outlook
Mail+ for Outlook
Mail+ for Outlook
by MAIL PLUS APP LLC
$4.99

An email management app that offers seamless integration with Outlook, providing users with advanced features such as categorization, priority filters, and attachment organization. Streamline your email experience and boost productivity today!

💼 Business
(840)
7
Vantage Calendar
Vantage Calendar
Vantage Calendar
Calendar & To-Do List
Free

A sleek and intuitive calendar app that seamlessly integrates tasks, events, and weather forecasts in one place. Stay organized and plan your days efficiently with ease.

📊 Productivity
(1.8K)
8
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)
9
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)
10
Tiny Calendar Pro
Tiny Calendar Pro
Tiny Calendar Pro
Calendar App: Planner & Tasks
$19.99

A versatile calendar app designed to streamline your planning and organization needs. Sync schedules, set reminders, and manage events effortlessly. Stay on top of your agenda with Tiny Calendar Pro!

📊 Productivity
(2.3K)
11
Simple Calendar・Schedule app
Simple Calendar・Schedule app
Simple Calendar・Schedule app
simple and cool calendar app
Free

A simple and cool calendar app designed for those who prefer straightforward scheduling without complex features. With a focus on simplicity and a beautiful design, it offers an easy-to-use interface for managing appointments and tasks stress-free.

📊 Productivity
(1.9K)
12
Week Calendar - Smart Planner
Week Calendar - Smart Planner
Week Calendar - Smart Planner
Sync Agenda Tasks & Reminders
Free

Organize your schedule efficiently with a smart planner that synchronizes tasks and events seamlessly. Stay on top of your agenda effortlessly.

📊 Productivity
(10K)
13
Blue Mail - Email | Calendar
Blue Mail - Email | Calendar
Blue Mail - Email | Calendar
AI-Powered, Fast & Secure
Free

A powerful email and calendar app powered by AI for quick and efficient organization of your communication and schedule. Stay on top of your emails and appointments effortlessly. Experience advanced features seamlessly integrated for improved productivity.

💼 Business
(10K)
14
CalenGoo Calendar
CalenGoo Calendar
CalenGoo Calendar
for Google Calendar and iCloud
$6.99

Access and manage your Google Calendar on iOS devices effortlessly with offline support. Syncs tasks with due dates and integrates Google Tasks seamlessly. Explore more at http:/www.calengoo.com for tutorials and support.

📊 Productivity
(291)
15
Awesome Calendar 2
Awesome Calendar 2
Awesome Calendar 2
reminders, note & planner app
Free

Access a powerful calendar app with intuitive interfaces for setting reminders, taking notes, and managing schedules effortlessly. Stay organized and productive on-the-go. Download now to enhance your daily efficiency.

📊 Productivity
(4.8K)
16
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)
17
Spike: AI Email & Team Chat
Spike: AI Email & Team Chat
Spike: AI Email & Team Chat
Teamspace & mail for business
Free

Spike is an innovative email application that transforms your inbox into a collaborative workspace. With powerful tools like chat, notes, and tasks integrated directly into your emails, Spike helps you communicate and collaborate more efficiently. Experience a new way of managing your emails - try Spike today!

📊 Productivity
(281)
18
Weekly Planner - Diary, Notes
Weekly Planner - Diary, Notes
Weekly Planner - Diary, Notes
Visual calendar & to do list
Free

Stay organized with a visual calendar to plan your week, jot down notes, and stay on top of your tasks. Streamline your schedule and boost productivity with this handy planner app.

📊 Productivity
(15K)
19
Notion Calendar
Notion Calendar
Notion Calendar
For your work and life
Free

An advanced calendar app seamlessly integrated with Google Calendar, featuring powerful functionalities like connecting with Notion, multiple time zones, unified view across calendars, widgets, and support for 12 languages. Take control of your time like never before - it's time.

📊 Productivity
(2.5K)
20
eCalendar - Daily Planner
eCalendar - Daily Planner
eCalendar - Daily Planner
Schedule and Plan
Free

This daily planner application offers eCalendar Membership with benefits like cloud storage expansion and email reminders. Users can subscribe monthly or yearly, manage payments through iTunes, and cancel auto-renewal easily. Explore the app for efficient scheduling and planning.

📷 Photo & Video
(13K)