Using the Calendar app
You can use the Calendar app to manage your schedule by adding meetings, appointments, and other events. It's easy to create and edit events and appointments as needed. The app comes with several helpful features, including alerts for important events.
The iPad iOS 7 calendar is terrible. Really! Here are some better alternatives.
Sunrise Calendar 2.0
Sunrise Calendar 2.0 supports both Gmail and iCloud calendars but sadly, no Exchange. Not only that, you can also choose to link up your Facebook, Twitter, and Foursquare. You can then manage all your Facebook and personal events in one place. Foursquare checkins show up in your calendar as well so you have one main feed for everything. Sunrise Calendar is one of the very few options that handles event sharing and invites properly through iCloud as well. If that's important to you, it's a solid bet.
Calendars 5 by Readdle can not only manage your Calendar, but your reminders and tasks as well. It also supports natural language input for event creation. Calendars 5 is also one of the few options that is a universal download for both iPhone and iPad. You can sync local calendars as well as Google calendars with Calendars 5. Event sharing is available for Google calendars but not for iCloud.
If universal support for iPhone and iPad are important to you and you want one solution for tasks and calendar events, definitely consider Calendars 5.
Agenda Calendar 4 by savvy apps has tons of customized views that are all well thought out and designed. I think it's month view is one of the best available. Agenda 4 can also integrate your reminders much like Calendars 5 can. You can also send events and tasks to Clear, Drafts, Due, OmniFocus, Scratch, Things, and Todo. If you want integration with other productivity and task apps, get Agenda Calendar 4.
Tempo calendar aims to make your calendar more of a personal assistant than just lines of information for you to read. Tie in your email accounts, contacts, Foursquare, and Yelp! accounts and Tempo will get smarter. It can start serving up emails that are attached to certain tasks or what it thinks is relevant to a particular meeting. This can include attachments and documents or just email conversations. Events that involve things such as boarding passes for flights, Tempo can keep that information safe and up to date as well.
If you want your calendar to do more and you deal with lots of meetings on a regular basis, definitely give Tempo a try.