for iOS 9.1 software

App Store at a glance
Use the App Store to browse, purchase, and download apps to iPhone.
Your apps update automatically over Wi-Fi (unless you turn off this
feature), so you can keep up with the latest improvements and features.
Note: You need an Internet connection and an Apple ID to use the
App Store. The App Store is not available in all areas.
Find apps
Ask Siri. Say something like:
App Store