Namchoke Calendar+

Namchoke Calendar+ offer the basics, aesthetic appeal, intuitive interface, and special features that make you say "ooh!"
Easy to use: No one wants to spend hours configuring their calendar or entering events and reminders. The Namchoke Calendar+ app is intuitive, easy to learn, and effortless to maintain.
Notifications and alerts: Unlike giant wall calendars of old, Namchoke Calendar+ isn't always right in front of your face. That doesn't mean you can afford to forget about that meeting next Tuesday. Namchoke Calendar+ is customizable notifications and alerts, so you can stay on top of your schedule—not the other way around.
Advanced features: If you looked for feature sets that really top the native Calendar, going beyond just showing you your calendar.
And of course it's all free. So if what you are looking for is a good calendar app for mobile. You don't need to look for other apps anymore.