Best Free Business Calendar Apps

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

The best free business calendar apps on iPhone average 4.6★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Free Business Calendar Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Teamup CalendarTeamup CalendarFree4.8★ (9.6K)NoNoSep 2026
2Calendar ۬Calendar ۬FreeNoNoSep 2026
3Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (122K)NoYesSep 2026
4Simple Calendar・Schedule appSimple Calendar・Schedule appFree4.6★ (2.3K)YesNoSep 2026
5Mindbody BusinessMindbody BusinessFree4.6★ (23K)NoNoSep 2026
6Calendar · Planner & RemindersCalendar · Planner & RemindersFree4.6★ (59K)YesYesSep 2026
724me: Calendar・Planner & To Do24me: Calendar・Planner & To DoFree4.5★ (6.8K)NoYesSep 2026
8GroupCal - Shared CalendarGroupCal - Shared CalendarFree4.7★ (799)NoYesSep 2026

Top Picks for Free Business Calendar

Teamup Calendar#1

Teamup Calendar by Teamup Solutions AG

The Shared Calendar for Groups
Editor's Choice
💼 Business
4.8😊(9.6K 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
  • 👍 Great for small businesses and teams
  • 👍 Seamless syncing across devices

Room to Improve

  • 🐛 App crashes and freezes
  • 🐛 Glitches with editing and deleting events
  • 🐛 Inconsistent performance between mobile and desktop versions
  • 🔍 Limited functionality in mobile app compared to web version
  • 📱 Lack of push notifications and reminders
Calendars: Schedule Planner#3

Calendars: Schedule Planner by Readdle Technologies Limited

2026 Daily Organizer・Reminder
Worth Considering
📊 Productivity
4.7😊(122K ratings)
FreeIn-App Purchases
#95in Productivity
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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

More Free Business Calendar apps to explore

FAQ about Free Business Calendar

What are the best free business calendar apps for iPhone?
Teamup Calendar tops our free business calendar apps ranking as of September 2026, with a 4.8-star average from 9.6K App Store ratings, and it's free to download.
Teamup Calendar has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ free business calendar apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Teamup Calendar is a shared calendar application designed for groups to organize people, schedule work, manage availability, and share events efficiently and securely. It helps teams and organizations collaborate by providing a central platform for all scheduling needs.
Key features include viewing and updating multiple sub-calendars, attaching files to events, enabling event sign-ups, having discussions through comments, and powerful timezone support. It also offers granular access permissions and custom fields for events.