Apple Store is a free download from the App Store. [Direct Link]What's New in Version 2.6
- Choose to receive notifications that let you know exactly when you're eligible for upgrade pricing on a new iPhone. And since all you need to complete the order is your Apple ID and password, buying your new iPhone is fast and easy (US only).
- Stay on top of your delivery with notifications. We'll let you know when your order ships, keep you informed of any updates, and notify you when it's delivered.
Article Link: Apple Store iOS App Updated With Push Delivery and iPhone Upgrade Notifications