When comparing Calinsight Calendar and Reminder vs Calendar, the Slant community recommends Calendar for most people. In the question“What are the best calendar apps for Mac OS X?” Calendar is ranked 2nd while Calinsight Calendar and Reminder is ranked 14th.
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Pros
Pro Menu bar Calendar and Reminder
Calinsight it is not just a calendar, it is a calendar that suits your Mac in every detail. This is a Calendar that you would like to see on your menu bar every day. Simple, well organised, quick, stylish and recognized. Calinsight is a must have calendar for busy people who need full control of their lives.
Pro Real time sync
Calinsight use iCloud to sync the data between all your devices in real time.
You can display your calendars in Google, Exchange and other CalDAV accounts and reminders information smoothly in one place.
Pro Track your progress
If you're fan of graphs, you can use Calinsight to see how you've progress with each habit over time,and your success rate in a nice and simply graph that appears with the calendar automatically.
Pro GNOME native integration
Pro Currently in active development
GNOME Calendar is improved with every release cycle of GNOME.
Pro Simplicity
Calendar for GNOME aims to find the perfect balance between features and usability.
Pro Synchronisation
It has online accounts integration.
Cons
Con Cannot print
Con Extremely buggy
Con Poor interoperability with online calendars
Does not connect to Fastmail.
Con Far too simple
Con FAR too tied into the GNOME infrastructure
The UI and configuration presume you are running GNOME, and has the ugliness of a GNOME application. Configuration, as is usual for any GNOME application, is pretty much nonesistent.
Con Can't read 'all-day' events with dark theme
Text is white on light blue with dark themes. The workaround: assign all-day events to just one hour.
Con Can't import ics files
Con Continues to pop-up reminders that are turned off and they cannot ever be removed
The GNOME Calendar displays pop-ups from an old Google Calendar that was used. That Google Calendar has long since been removed from GNOME, and even with the notifications turned off on the GNOME Calendar, the pop-ups still happen.
Con Incorrect appointment times when importing .ics calendars
Con No support yet for WebCal
No support yet for WebCal, such as those offered by Facebook events.
A workaround exists. Since this application uses the same background services as Evolution, installing it and adding the WebCal calendars there, also adds them to GNOME Calendar.