Best Activity Calendar Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.6★, the activity calendar category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Activity Calendar Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (122K)NoYesSep 2026
2Calendar ۬Calendar ۬FreeNoNoSep 2026
3SimpleCal: Simple CalendarSimpleCal: Simple CalendarFree4.7★ (17K)YesYesSep 2026
4Simple Calendar Daily PlannerSimple Calendar Daily PlannerFree was $6.994.6★ (6.4K)YesYesSep 2026
5PocketLife CalendarPocketLife CalendarFree4.7★ (42K)YesYesSep 2026
6Cute Calendar: Daily PlannerCute Calendar: Daily PlannerFree4.6★ (12)YesYesSep 2026
7SeeYou CalendarSeeYou CalendarFreeNoNoSep 2026
8Weekly Planner - Diary, NotesWeekly Planner - Diary, NotesFree4.7★ (15K)NoYesSep 2026

Top Picks for Activity Calendar

Calendars: Schedule Planner#1

Calendars: Schedule Planner by Readdle Technologies Limited

2026 Daily Organizer・Reminder
Editor's Choice
📊 Productivity
4.7😊(122K ratings)
FreeIn-App Purchases
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

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.

What We Love

  • 🌟 Excellent calendar app
  • 👍 Easy to use and organize
  • 🎨 Helpful color-coding
  • 📆 Seamless integration with other calendars
  • 🗓️ Detailed monthly/weekly views
  • 📝 Useful task management features

Room to Improve

  • 🐛 Occasional glitches and data loss
  • 💰 Concerns over subscription model
  • 🕰️ Cumbersome date/time selection process
  • 🔍 Limited location search functionality
  • 🔄 Sync issues between devices
SimpleCal: Simple Calendar#3

SimpleCal: Simple Calendar by Yohei Fujikawa

Fast, Easy Schedule Planner
Worth Considering
📊 Productivity
4.7😊(17K ratings)
FreeAdsIn-App Purchases
SimpleCal: Simple Calendar screenshot 1
SimpleCal: Simple Calendar screenshot 2
SimpleCal: Simple Calendar screenshot 3
SimpleCal: Simple Calendar screenshot 4
SimpleCal: Simple Calendar screenshot 5
SimpleCal: Simple Calendar screenshot 6

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
  • ⏰ Useful reminders
  • 🗓️ Comprehensive calendar view
  • 🔁 Recurring events
  • 📝 Detailed event notes
  • 🔗 Syncs with iPhone calendar

Room to Improve

  • 🐛 Deleted events/data loss
  • 🔒 Requires full access to Apple Calendar
  • 🗓️ Can't edit read-only events
  • 🎨 Limited color options
  • 🗓️ Can't add events on days with existing events
  • 🔍 No day/week view options
  • 🔌 Ads can be intrusive

More Activity Calendar apps to explore

FAQ about Activity Calendar

What are the best activity calendar apps for iPhone?
Calendars: Schedule Planner tops our activity calendar apps ranking as of September 2026, with a 4.7-star average from 122K App Store ratings, and it's free to download.
Yes — 20 of the top activity calendar apps we rank are free to download, including Calendars: Schedule Planner and Calendar ۬.
Calendars: Schedule Planner has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ activity calendar apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Calendars by Readdle is an all-in-one app that functions as a calendar, task manager, daily planner, and habit tracker. It is designed to help users organize their schedules, manage tasks, build routines, and improve overall productivity across their Apple devices.
Key features include viewing and managing your calendar with various views (daily, weekly, monthly), creating events and reminders, organizing to-do lists, adding items using natural language, tracking habits, and syncing across devices with services like Google Calendar and iCloud. It also integrates with meeting platforms like Zoom and Google Meet.

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