Find out which stores have discounted iTunes cards
There are several apps that came with your iPad when you purchased it.
Pre-installed Apps
iPad Air comes pre-installed with the following apps from Apple: Safari, Newsstand, Videos, Photo Booth, Mail, Messages, Siri, Clock, iBooks, iTunes Store, Reminders, Game Center, Photos, App Store, Contacts, Maps, Calendar, Camera, FaceTime, Music, Notes.
A list of Pre installed apps
Free Apps ( only available for devices purchased after September 2013)
Once you have activated your iPad and set it all up, open the App store and login and you should be able to download iWorks Apps for iOS for free. They are free for new iOS devices once activated in iTunes, but you will have to downloaded from the App store (they are not pre-bundled on the device). Here is a list of the apps that you can download for free from the App Store:iPhoto, iTunes U, iMovie, Podcasts, GarageBand,Find My iPhone, Pages, Find My Friends, Numbers, Remote, Keynote, iTunes.
Year 4, 5 and 6 Apps for iPad.