Calendars are the cornerstone of our busy 21st century lives. Without them, many would not remember the long list of things they need to do and all the places they need to go. For some, the iOS default calendar is suitable, but many people want a calendar with a bit more oomph. Here's a list of five calendar apps for this group of power calendar users (all prices are USD).
CalenGoo ($6.99, universal)
CalenGoo is a calendar replacement that let you sync with Google Calendar. It easily syncs all your calendars (not just the default) and keeps their status so your hidden calendars remain hidden. It also supports Google calendar-specific features like Google tasks and Google's invitation system, so you can see whe
