Best To Do Calendar Planner Apps

244+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated October 2026

Whether you're new to to do calendar planner or looking for an upgrade, our curated collection of 244+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top To Do Calendar Planner Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendar · Planner & RemindersCalendar · Planner & RemindersFree4.6★ (59K)YesYesNov 2026
2Simple Calendar Daily PlannerSimple Calendar Daily PlannerFree4.6★ (6.4K)YesYesNov 2026
324me: Calendar・Planner & To Do24me: Calendar・Planner & To DoFree4.5★ (6.8K)NoYesNov 2026
4Smart Planner: Calendar, TasksSmart Planner: Calendar, TasksFree4.8★ (192)YesYesNov 2026
5Tiny Calendar: Planner & TasksTiny Calendar: Planner & TasksFree4.6★ (21K)YesYesNov 2026
6Weekly Planner - Diary, NotesWeekly Planner - Diary, NotesFree4.7★ (16K)NoYesNov 2026
7Any.do: To do list & PlannerAny.do: To do list & PlannerFree4.6★ (51K)YesYesNov 2026
8Calendar 2026: Planner & ToDoCalendar 2026: Planner & ToDoFree4.4★ (7)NoYesOct 2026

Top Picks for To Do Calendar Planner

Calendar · Planner & Reminders#1

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

Tasks, Agenda & To Do List AI
Editor's Choice
📊 Productivity
4.6😊(59K ratings)
FreeAdsIn-App Purchases
Calendar · Planner & Reminders screenshot 1
Calendar · Planner & Reminders screenshot 2
Calendar · Planner & Reminders screenshot 3
Calendar · Planner & Reminders screenshot 4
Calendar · Planner & Reminders screenshot 5
Calendar · Planner & Reminders screenshot 6

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
  • 🎨 Customizable color-coding

Room to Improve

  • 🐛 Crashes and bugs
  • 🔒 Lack of security features
  • 🔋 High battery consumption
  • 🔍 Limited search and filtering options
  • 💰 Subscription-based model
Simple Calendar Daily Planner#2

Simple Calendar Daily Planner by Komorebi Inc.

Easy Schedule, Tasks & Agenda
Strong Contender
📊 Productivity
4.6😊(6.4K ratings)
FreeAdsIn-App Purchases
Simple Calendar Daily Planner screenshot 1
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Simple Calendar Daily Planner screenshot 3
Simple Calendar Daily Planner screenshot 4
Simple Calendar Daily Planner screenshot 5
Simple Calendar Daily Planner screenshot 6

This app offers a streamlined calendar experience with a focus on simplicity and ease of use. It allows for easy sharing of schedules, extensive customization options like font size and color-coding, and secure passcode locking. It's ideal for users seeking a functional, minimalist organizer.

What We Love

  • 🚀 Easy to use
  • 👍 Customizable colors and design
  • 💡 Helpful for organization
  • 🚀 Simple calendar functionality
  • 👍 Straightforward and clean interface

Room to Improve

  • 🐛 Glitchy behavior (moving events, deleting, duplicating)
  • 🐛 Language issues (randomly changing to Spanish)
  • 🐛 Widget not working properly
  • 🐛 Syncing issues between devices
  • 🐛 Appointment times changing on their own
24me: Calendar・Planner & To Do#3

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

Reminders, Schedule, Organizer
Worth Considering
📊 Productivity
4.5😊(6.8K ratings)
FreeIn-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

This app acts as a smart personal assistant, consolidating your calendar, to-do lists, notes, and personal accounts into one unified platform. It streamlines daily management with features like voice commands, smart reminders, and email-to-task conversion, helping you stay organized and productive.

What We Love

  • 👍 Easy to use
  • 🚀 Keeps me organized
  • 💡 Integrates calendar, tasks, and notes
  • 🚀 Helpful reminders and notifications
  • 👍 Clean and intuitive interface
  • 💡 Customizable color coding

Room to Improve

  • 🐛 Syncing issues between devices
  • 🐛 Buggy and crashes occasionally
  • 💰 Expensive premium subscription
  • 🔍 Limited customization options in free version
  • 🔍 Difficult to delete or manage completed tasks

More To Do Calendar Planner apps to explore

FAQ about To Do Calendar Planner

What are the best to do calendar planner apps for iPhone?
Calendar · Planner & Reminders tops our to do calendar planner apps ranking as of October 2026, with a 4.6-star average from 59K App Store ratings, and it's free to download.
Yes — 20 of the top to do calendar planner apps we rank are free to download, including Calendar · Planner & Reminders and Simple Calendar Daily Planner.
Calendar · Planner & Reminders shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 244+ to do calendar planner apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.