Best Calendar Availability Apps

214+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated July 2026

Finding the right calendar availability app can be overwhelming with so many options. We've analyzed 214+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Calendar Availability

Teamup Calendar#1

Teamup Calendar by Teamup Solutions AG

The Shared Calendar for Groups
Editor's Choice
💼 Business
4.8😊(8.8K ratings)
Free
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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.

What We Love

  • 👍 Easy to use
  • 👍 Intuitive interface
  • 👍 Helpful for organizing schedules
  • 👍 Reliable and efficient

Room to Improve

  • 🐛 App crashes and freezes
  • 🐛 Glitches with editing and deleting events
  • 🐛 Inconsistent performance between mobile and desktop versions
Simple Calendar - SimpleCal#2

Simple Calendar - SimpleCal by Yohei Fujikawa

Tasks & ToDo for your schedule
Strong Contender
📊 Productivity
4.7😊(16K ratings)
FreeAdsIn-App Purchases
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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.

What We Love

  • 😍 Awesome!!
  • 👍 Easy to use
  • 👍 Well-organized
  • 🎨 Helpful color-coding

Room to Improve

  • 🐛 Deleted events/data loss
  • 🔒 Requires full access to Apple Calendar
  • 🗓️ Can't edit read-only events
Calendar · Planner & Reminders#3

Calendar · Planner & Reminders by BUCKET LIST LABS S.L.

Planner Organizer & Agenda
Worth Considering
📊 Productivity
4.6😊(59K ratings)
FreeAdsIn-App Purchases
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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.

What We Love

  • 🚀 Intuitive and easy to use
  • 📅 Comprehensive calendar view
  • 🔗 Seamless integration with other calendars
  • 💡 Helpful reminders and notifications

Room to Improve

  • 🐛 Crashes and bugs
  • 🔒 Lack of security features
  • 🔋 High battery consumption

More Calendar Availability apps to explore

4
Week Calendar - Smart Planner
Week Calendar - Smart Planner
Week Calendar - Smart Planner
Sync Agenda Tasks & Reminders
Free

This app offers a highly customizable calendar experience with multiple view options and automation tools. It allows for easy event management, integration with popular calendar services, and includes features like weather forecasts and calendar insights. An optional Pro version unlocks additional widgets and features.

Customizable calendar views (Day, Agenda, Month, Year)Event automation and templatesDrag-and-drop event rescheduling
📊 Productivity
(10K)
free with in-app purchases
5
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
6
Availability Sync
Availability Sync
Availability Sync
Effortless Scheduling!
Free

Easily share your free time slots for meetings and appointments. This app integrates with your existing calendars and allows for customized sharing messages and professional calendar invites. Streamline your scheduling process and avoid back-and-forth communication.

Instant availability sharingCalendar integration (iOS, Google, Outlook)Customizable sharing messages
📊 Productivity
(5)
free
7
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
8
TimeTree: Shared Calendar
TimeTree: Shared Calendar
TimeTree: Shared Calendar
Make a Shared Calendar
Free

This app allows users to create and share calendars with family, friends, or colleagues. It facilitates event planning, communication, and organization through shared schedules, photo albums, and to-do lists. Stay connected and manage your time effectively with this collaborative scheduling tool.

Shared calendars for groupsEvent notifications and remindersSync with device calendars
📊 Productivity
(87K)
free with in-app purchases
9
Calendly Mobile
Calendly Mobile
Calendly Mobile
Schedule meetings with ease
Free

This app allows users to schedule meetings on the go, mirroring the functionality of its desktop counterpart. Easily share scheduling links, view upcoming meeting details, and manage appointments by rescheduling or canceling them directly from your mobile device.

Schedule meetings on-the-goCopy and share scheduling linksView upcoming meeting details
💼 Business
(53K)
freemium
10
Fantastical Calendar
Fantastical Calendar
Fantastical Calendar
Reminders & Todo List
Free

This powerful calendar and task management app offers intuitive natural language input for event creation, multiple calendar views, and robust task integration. It provides weather forecasts and advanced features like meeting polls and video conferencing integration for premium users.

Natural language event and task creationMultiple calendar views (day, week, month, year)Integrated task management (Todoist, Google Tasks)
📊 Productivity
(23K)
freemium
11
Vantage Calendar
Vantage Calendar
Vantage Calendar
Calendar & To-Do List
Free

This app offers a visually engaging way to manage your schedule and to-do lists. It uses colorful cues, stickers, and "stacks" to help you understand your day at a glance. Integrated to-dos can be easily scheduled by dragging and dropping them onto dates.

Visual cues (colors, stickers, book covers)Summarize days with 'Stacks'Integrated to-do lists in notebooks
📊 Productivity
(1.8K)
free with in-app purchases
12
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
13
Calendars: Schedule Planner
Calendars: Schedule Planner
Calendars: Schedule Planner
Reminder・Tasks Organizer・To Do
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
(120K)
free with in-app purchases
14
Calendar Availability
Calendar Availability
Calendar Availability
by Arjun Guha
$9.99

This app helps you find available time slots by analyzing your calendar. It then generates a message with your availability, ready to be copied and pasted into emails or texts.

Calendar analysisAvailability calculationMessage drafting
📊 Productivity
(0)
paid
15
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
(20K)
subscription
16
CalenGoo Calendar
CalenGoo Calendar
CalenGoo Calendar
for Google Calendar and iCloud
$6.99

Access and manage your Google Calendar and iOS calendars with this app. It offers offline access, event synchronization, and advanced features like drag-and-drop event management and task list integration. Customize your calendar views and print your schedule.

Offline access to calendar dataGoogle Calendar and iOS calendar syncDrag-and-drop event management
📊 Productivity
(291)
paid
17
Calendar Op.2: Planner & Diary
Calendar Op.2: Planner & Diary
Calendar Op.2: Planner & Diary
Handy simple calendar
Free

Organize your daily schedule with a clean and simple calendar app. It offers a beautiful month and list view with event titles, a mini pop-up for daily events, and seamless scrolling. Easily copy and paste events and search your schedule.

Works with built-in iOS calendarMonth & list view with event titleMini pop-up for daily events
📊 Productivity
(13K)
free with in-app purchases
18
Saturn Calendar
Saturn Calendar
Saturn Calendar
Manage and share your time
Free

This app is designed for students to manage complex school schedules, including rotating periods and group events. It simplifies planning with friends and classmates, allowing users to share schedules and coordinate activities easily. Stay organized for high school and college with features tailored to student life.

Rotating period supportBlock schedule managementSocial schedule sharing
📊 Productivity
(68K)
free
19
Simple Calendar・Schedule app
Simple Calendar・Schedule app
Simple Calendar・Schedule app
simple and cool calendar app
Free

This app offers a streamlined calendar experience, focusing on essential features for easy event management. It's designed for users who prefer simplicity and a clean interface over complex functionalities. Get organized with core calendar tools and helpful notifications.

Calendar viewEvent creationSearch functionality
📊 Productivity
(1.9K)
ad-supported
20
Tiny Calendar Pro
Tiny Calendar Pro
Tiny Calendar Pro
Calendar App: Planner & Tasks
$19.99

This intuitive calendar app integrates with all your existing calendars, offering powerful tools for event creation and management. It provides multiple viewing options and offline capabilities, ensuring you never miss an appointment.

Natural language event creationDrag and drop event editingSyncs with Google Calendar and iOS local calendars
📊 Productivity
(2.3K)
paid