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One Calendar
  • DeveloperCode Spark
  • LicenseFree
  • Size—
  • UpdatedOct 31, 2026

One Calendar

★★★★★4.4

The most popular app to view all your calendars like Google, Live, Outlook, iCloud, Exchange, Office365, Yahoo, Nextcloud, Synology, GMX, Mailbox.org, ownCloud and more. OneCalendar integrates all your calendars into an easy-to-read overview. View and manage all your appointments, events and birthdays.

Use the free version with all basic features or go Premium.

Free:
- Manage & share appointments
- Unlimited accounts
- All calendar providers
- Setup recurrences
- View birthdays
- Notifications
- Invite people
- Work offline
- List, day, week, month and year view
- Integration with One Task
- Appointments on lock screen
- Ad-free

Premium (in app purchase):
- Appointment and calendar colors
- Multiple years of history
- Immediate synchronization
- Theming
- Appointment search
- Printing
- Route and navigation
- Favorite emojis

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About One Calendar

The most popular app to view all your calendars like Google, Live, Outlook, iCloud, Exchange, Office365, Yahoo, Nextcloud, Synology, GMX, Mailbox.org, ownCloud and more. OneCalendar integrates all your calendars into an easy-to-read overview. View and manage all your appointments, events and birthdays. <br> <br>Use the free version with all basic features or go Premium. <br> <br>Free: <br>- Manage & share appointments <br>- Unlimited accounts <br>- All calendar providers <br>- Setup recurrences <br>- View birthdays <br>- Notifications <br>- Invite people <br>- Work offline <br>- List, day, week, month and year view <br>- Integration with One Task <br>- Appointments on lock screen <br>- Ad-free <br> <br>Premium (in app purchase): <br>- Appointment and calendar colors <br>- Multiple years of history <br>- Immediate synchronization <br>- Theming <br>- Appointment search <br>- Printing <br>- Route and navigation <br>- Favorite emojis

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