Best Calender Reminder Apps

213+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Whether you're new to calender reminder or looking for an upgrade, our curated collection of 213+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Calender Reminder

Simple Calendar - SimpleCal#1

Simple Calendar - SimpleCal by Yohei Fujikawa

Tasks & ToDo for your schedule
Editor's Choice
📊 Productivity
4.7😊(16K ratings)
FreeAdsIn-App Purchases
Simple Calendar - SimpleCal screenshot 1
Simple Calendar - SimpleCal screenshot 2
Simple Calendar - SimpleCal screenshot 3
Simple Calendar - SimpleCal screenshot 4
Simple Calendar - SimpleCal screenshot 5
Simple Calendar - SimpleCal screenshot 6

Stay organized and on top of your schedule with a user-friendly calendar app. Easily manage tasks, events, and appointments all in one place. Download now to simplify your life and never miss a beat!

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
Calendars: Schedule Planner#2

Calendars: Schedule Planner by Readdle Technologies Limited

Reminder・Tasks Organizer・To Do
Strong Contender
📊 Productivity
4.7😊(120K ratings)
FreeAdsIn-App Purchases
#55in Productivity
Calendars: Schedule Planner screenshot 1
Calendars: Schedule Planner screenshot 2
Calendars: Schedule Planner screenshot 3
Calendars: Schedule Planner screenshot 4
Calendars: Schedule Planner screenshot 5
Calendars: Schedule Planner screenshot 6

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!

What We Love

  • 🌟 Excellent calendar app
  • 👍 Easy to use and organize
  • 🎨 Helpful color-coding
  • 📆 Seamless integration with other calendars

Room to Improve

  • 🐛 Occasional glitches and data loss
  • 💰 Concerns over subscription model
  • 🕰️ Cumbersome date/time selection process
Structured: Daily Planner Todo#3

Structured: Daily Planner Todo by unorderly GmbH

Calendar, Reminder & To Do
Worth Considering
📊 Productivity
4.8😊(160K ratings)
FreeIn-App Purchases
#93in Productivity
Structured: Daily Planner Todo screenshot 1
Structured: Daily Planner Todo screenshot 2
Structured: Daily Planner Todo screenshot 3
Structured: Daily Planner Todo screenshot 4
Structured: Daily Planner Todo screenshot 5
Structured: Daily Planner Todo screenshot 6

Organize your daily tasks with a comprehensive visual calendar designed to help you plan your day effectively. Stay on track and boost your productivity with this structured daily planner app. Start optimizing your schedule now!

What We Love

  • 🚀 Highly organized and structured
  • 🎨 Customizable colors and icons
  • ⏱️ Visualizes time and task duration
  • 🗓️ Integrates with calendar and reminders

Room to Improve

  • 🕰️ Tedious to change task times
  • 🔀 Difficulty rearranging tasks
  • 🔍 Lack of search for icons

More Calender Reminder 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
Reminder & Countdown
Reminder & Countdown
Reminder & Countdown
Count down to your event
Free

Stay organized and on top of your tasks with this powerful app. Set reminders, create to-do lists, and never miss an important event again. Download now and simplify your life.

📊 Productivity
(16K)
6
Tiny Calendar: Planner & Tasks
Tiny Calendar: Planner & Tasks
Tiny Calendar: Planner & Tasks
Agenda, Organizer & Reminders
Free

Stay organized and on top of your schedule with this intuitive planner app. Easily manage your events, tasks, and appointments all in one place. Download now to simplify your day-to-day planning!

📊 Productivity
(20K)
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
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
(44K)
9
Reminder, Reminders with Voice
Reminder, Reminders with Voice
Reminder, Reminders with Voice
Alarm, Calendar, Remind Me App
Free

A versatile reminder app with voice features, offering customizable alarms for various schedules and events. Set reminders using voice recordings or music, with options for pre-alarms, snooze, custom sounds, images, and more. Upgrade for unlimited reminders with a one-time payment.

📊 Productivity
(20K)
10
To Do List MinimaList & Widget
To Do List MinimaList & Widget
To Do List MinimaList & Widget
Planner, Reminder & Tasks
Free

MinimaList: To Do List is a productivity app that helps you organize tasks with ease. Stay on top of your daily goals and boost your efficiency. Try it now for a streamlined task management experience!

📊 Productivity
(44K)
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
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
Simple Calendar: ToDo Planner
Simple Calendar: ToDo Planner
Simple Calendar: ToDo Planner
Schedule list & day organizer
Free
$6.99 | 100% OFF

Stay organized and efficient with a user-friendly calendar and to-do list application that helps you manage your tasks and schedule effectively. Plan your day, set reminders, and stay on top of your commitments with ease. Download now to simplify your daily routine!

📊 Productivity
(6.4K)
14
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)
15
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)
16
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)
17
Reminders
Reminders
Reminders
Don’t forget. Use Reminders
Free

An intuitive reminder app that helps you stay organized with to-dos for every aspect of life. Features include fast task creation with Siri, smart organization with tags and lists, collaboration options, and intelligent suggestions. Set reminders based on time, location, and even tag people to remind you during conversations.

📊 Productivity
(813K)
18
Planner Pro - Daily Planner
Planner Pro - Daily Planner
Planner Pro - Daily Planner
Reminders, Calendar & Tasks
Free

Plan and organize your daily tasks efficiently with a comprehensive daily planner app. Stay on top of your schedule, set reminders, and manage your to-do list seamlessly. Download now to streamline your daily planning process!

📊 Productivity
(13K)
19
RE.minder
RE.minder
RE.minder
by postmechanical, LLC
Free

RE.minder is a productivity app that helps you set reminders quickly and efficiently on iOS devices, ensuring you never miss a deadline. With features like customizable alerts and iCloud sync, RE.minder makes it easy to stay organized and on top of your tasks. Download now to turn your To-Didn'ts into Dones!

📊 Productivity
(756)
20
Drink Water ∙ Daily Reminder
Drink Water ∙ Daily Reminder
Drink Water ∙ Daily Reminder
Daily Water Tracker & Reminder
Free

Get reminders to stay hydrated throughout the day with this app that helps you track your daily water intake easily. Stay healthy and energized with regular notifications to drink water.

💪 Health & Fitness
(26K)

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