Best Small Business Calendar Apps

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

Out of 250+ small business calendar apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Small Business Calendar Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calendars: Schedule PlannerCalendars: Schedule PlannerFree4.7★ (122K)NoYesSep 2026
2Teamup CalendarTeamup CalendarFree4.8★ (9.6K)NoNoSep 2026
3Tiny Calendar: Planner & TasksTiny Calendar: Planner & TasksFree4.6★ (21K)YesYesSep 2026
4FlexCal - Business CalendarFlexCal - Business CalendarFreeNoNoJul 2026
5TimeTree: Shared CalendarTimeTree: Shared CalendarFree4.9★ (91K)YesYesSep 2026
6monday.com - AI Work Platformmonday.com - AI Work PlatformFree4.8★ (48K)NoNoSep 2026
7Agenda OtterAgenda OtterFreeNoNoSep 2026
8Agendo Week CalendarAgendo Week CalendarFree4.9★ (9)NoNoSep 2026

Top Picks for Small Business 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
#100in 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
Teamup Calendar#2

Teamup Calendar by Teamup Solutions AG

The Shared Calendar for Groups
Strong Contender
💼 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
Tiny Calendar: Planner & Tasks#3

Tiny Calendar: Planner & Tasks by TinyWork Apps

Agenda, Organizer & Reminders
Worth Considering
📊 Productivity
4.6😊(21K ratings)
FreeAdsIn-App Purchases
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This intuitive calendar app syncs with your existing calendars, offering powerful event creation and management tools. Access your schedule offline, set advanced reminders, and view your events in multiple formats on your iPhone, iPad, and Apple Watch.

What We Love

  • 💻 Excellent calendar app
  • 📆 Helpful for organizing schedules
  • 🔗 Syncs well with Google Calendar
  • 🗓 Useful month/week/day views
  • 🎨 Customizable color-coding
  • 🔍 Easily see upcoming events

Room to Improve

  • 🐛 Syncing issues with Google Calendar
  • 🔍 Difficulty finding past events
  • 💰 Expensive subscription model
  • 📢 Intrusive ads in free version
  • 🕰 Time zone issues with event times

More Small Business Calendar apps to explore

FAQ about Small Business Calendar

What are the best small business calendar apps for iPhone?
Calendars: Schedule Planner tops our small business 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 small business calendar apps we rank are free to download, including Calendars: Schedule Planner and Teamup 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+ small business 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.