When comparing Rooster calendar vs Calendars 5 , the Slant community recommends Calendars 5 for most people. In the question“What are the best calendar apps for iPhone?” Calendars 5 is ranked 5th while Rooster calendar is ranked 21st. The most important reason people chose Calendars 5 is:
Calendars 5 uses the reminders that already exist, and can add new reminders with Siri.
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Pros
Pro Combined Calendar and To-Do List
It lays out your tasks and events each day, making it easy to stay on top of things. It has a pin board for tasks that are important, 'someday' or just dont belong to dates.
Pro Beautiful UI
UI is awesome, better than the standard calendar app which is a bit bland, and has far too many layers. Rooster keeps things simple with it's single view design, making it easy to see everything you need to do at once.
Pro Summary View
Rooster gives you the option to just see your 'daily headlines', which is a handy summary of your days. It's great for when you're busy and just want to see what's coming up.
Pro Quick and easy to add appointments
Rooster makes staying organized on mobile easy. It has it's QuickCal keyboard that lets you enter your appointments in just a few taps.
Pro Syncs with iOS reminders
Calendars 5 uses the reminders that already exist, and can add new reminders with Siri.
Pro Unique portrait week view
Unique and efficient way to display weeklong agenda in portrait view.
Pro Natural Language Input
Calendars 5 makes it very easy for users to create an event by just typing it in human language.
Simply write something like 'Meet Ben tomorrow at 5PM at Starbucks' and Calendars 5 will parse everything, creating an event for tomorrow, inviting Ben from the address book and picking the Starbucks on the map.
Pro Pleasant and intuitive interface
The choice of font size, color and user interface widgets are all esthetically pleasing.
Pro Notification center
The new notification center puts all the info in one place, and lets users choose from several different views.
Pro Repeating tasks is easy
The UI provides a very simple approach to repeating events or reminders. Users can choose from daily, weekly, monthly, or yearly, number of weeks, or by specific days.
Pro Supports Drag-and-drop of events to reschedule
Moving the date of an appointment is easy.
Cons
Con The Calendar does not clearly show dates
Con Limited map compatibility
Calendars 5 only uses Apple's Maps app, so Google Maps is out of the question.