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Best Calendar 366 Apps

209+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated April 2026

Calendar 366 is the household name in calendar 366, but it's far from the only option. We track 209+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Calendar 366

Calendar 366: Events & Tasks#1

Calendar 366: Events & Tasks by Vincent Miethe

For all your plans!
Editor's Choice
📊 Productivity
4.6😊(537 ratings)
$9.99
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Calendar 366: Events & Tasks screenshot 6

Calendar 366 is an event scheduling app that helps you manage your schedule efficiently. With features like color-coded events, reminders, and easy syncing across devices, staying organized is hassle-free. Boost your productivity and never miss an important event again!

What We Love

  • 👍 Great calendar app
  • 🚀 Smooth performance
  • 🔒 No subscription required
  • 💡 Customizable views and settings

Room to Improve

  • 🐛 Sync issues with Google/Outlook calendars
  • 🐛 Bugs with time zone handling
  • 🐛 Apple Watch app has usability issues
Calendar 366 Lite#2

Calendar 366 Lite by Vincent Miethe

For all your plans!
Strong Contender
📊 Productivity
4.6😊(247 ratings)
FreeIn-App Purchases
Calendar 366 Lite screenshot 1
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Calendar 366 Lite helps you manage all your plans efficiently with customizable features. From appointments to reminders, sync seamlessly across devices and create a personalized calendar that suits your needs. Stay organized and never miss a beat with this intuitive calendar app.

What We Love

  • 👍 Clean, intuitive, and easy-to-use interface
  • 💰 One-time purchase price instead of subscription model
  • 📱 Multi-platform support (iPhone, iPad, Mac, Apple Watch)
  • 🔄 Seamless integration with Apple Reminders and native calendars

Room to Improve

  • 🗣️ Poor voice recognition and event parsing
  • 📖 Lack of comprehensive documentation and user guides
  • 💬 Unresponsive customer support in some cases
minical - Planner & Calendar#3

minical - Planner & Calendar by minical Inc.

위젯 지원 및 공유 가능한 간단한 일정 플래너
Worth Considering
📊 Productivity
4.8😊(55K ratings)
FreeAdsIn-App Purchases
minical - Planner & Calendar screenshot 1
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Plan your days efficiently with this powerful scheduling app. Keep track of your tasks, events, and appointments with ease. Stay organized and productive.Download now to stay on top of your daily activities.

What We Love

  • 🚀 Functional and easy to use
  • 👍 Lots of widget options
  • 👍 Clean and easy to read interface
  • 👍 Customizable

Room to Improve

  • 🐛 Sync issues with Outlook
  • 🐛 Glitches and bugs
  • 💰 Expensive pro version

More Calendar 366 apps to explore

4
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)
5
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)
6
365Scores: Live Sports Scores
365Scores: Live Sports Scores
365Scores: Live Sports Scores
Sports Results, Stats and more
Free

Stay up to date with real-time sports scores, news, and updates from various leagues and tournaments around the world. Never miss a game and follow your favorite teams with live notifications and personalized feeds. Download now for the ultimate sports experience!

⚽ Sports
(116K)
7
EZ Calendar Maker
EZ Calendar Maker
EZ Calendar Maker
by Brandon Stecklein
Free

Create and print clean calendars effortlessly with this free utility. Customize with background images and print your personalized calendar from any device. Skip the store and try EZ Calendar Maker now!

📊 Productivity
(528)
8
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)
9
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)
10
Across: Modern Calendar
Across: Modern Calendar
Across: Modern Calendar
Schedule Planner & Organizer
Free

A simple schedule planner merging Apple Calendar and Reminders for seamless event and task management across all Apple devices. Enhance your planning and organization with intuitive features while maintaining privacy and offline usability. Become a pioneer in improving your daily life with this modern calendar app. Contact support for more information.

📊 Productivity
(348)
11
Dawn - Minimal Calendar
Dawn - Minimal Calendar
Dawn - Minimal Calendar
Simplify your Life
Free

A minimalistic and powerful calendar application designed to simplify your life by managing events, tasks, reminders, and more in one central hub. With features like Spaces organizer and customizable themes, it offers a clean and user-friendly experience. Upgrade for additional functionalities while enjoying an ad-free experience.

📊 Productivity
(28)
12
Timepage: Calendar Planner
Timepage: Calendar Planner
Timepage: Calendar Planner
Weather & Family Appointments
Free

A revolutionary smart calendar app that combines events, maps, contacts, and weather to make your days more productive. Enjoy intuitive design, travel time estimates, animated forecasts, and seamless integration with various calendars. Try it now for a more organized life!

📊 Productivity
(15K)
13
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)
14
Khmer Lunar Calendar 1900-2100
Khmer Lunar Calendar 1900-2100
Khmer Lunar Calendar 1900-2100
1900-2100
Free

An essential Khmer Lunar Calendar app from 1900-2100 combining international and lunar calendars. Features include multiple languages, holiday notifications, day details, theme customization, and more. Explore celebrations easily with a simple design. Check it out!

🌟 Lifestyle
(6.5K)
15
SL Calendar
SL Calendar
SL Calendar
Sri Lanka Holidays & Poya Days
Free

This comprehensive calendar app provides details on Sri Lankan holidays in three languages and allows users to view and manage holidays on their iPhone, iPad, or Apple Watch. Download the app today to experience the convenience of managing your work around Sri Lanka's holidays with features such as month view, customizable themes, and notifications.

📊 Productivity
(52)
16
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)
17
Calendar Op.2
Calendar Op.2
Calendar Op.2
Handy simple calendar
Free

Calendar Op.2 is a user-friendly calendar app that helps you organize your daily schedule effortlessly. Seamlessly integrates with the iOS calendar and offers a clean interface for easy use. Get organized and stay on top of your tasks with Calendar Op.2!

📊 Productivity
(13K)
18
Custom Holiday Calendar
Custom Holiday Calendar
Custom Holiday Calendar
Create Your Own Holidays
Free

An easy-to-use annual calendar app that allows you to view and customize holiday dates, week numbers, and more. Switch between Sunday or Monday as the first day of the week, set custom holidays, and track important dates effortlessly. Try it out now for a streamlined holiday planning experience.

🔧 Utilities
(2K)
19
Calendar ·
Calendar ·
Calendar ·
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)
20
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)

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