Calendar tool that syncs with Google Calendar
Platform: iPad, iPhone
License: Free for personal use only
Calendars lets you manage events both online and offline. Thanks to the unique interface you can move events simply with Drag & Drop, navigate quickly between dates, change event time and reminders rapidly with custom keyboards.
Calendars supports everything you can find in Google Calendar: appointments, SMS reminders and more. Sync is really fast and your information is always up to date.