Based on the information provided, Instant Portrait appears to be an app available on the Apple App Store. It allows users to read reviews, compare customer ratings, view screenshots, and learn more about the app before downloading it. The app is compatible with iPhone, iPad, and iPod touch devices. Although the text does not provide specific details about the features and functionality of Instant Portrait, it can be inferred that the app likely focuses on creating instant portraiture. The app's name suggests that it enables users to capture or create portrait photographs quickly and easily. Instant Portrait can be found and downloaded from the Apple App Store, which offers a wide range of apps for Apple users. The text also includes links to various resources related to Apple products and services, such as the Apple Store, where users can shop for the latest Apple devices like Mac, iPad, iPhone, and Apple Watch. Additionally, the links provide access to Apple's special stores, certified refurbished products, educational offers, and support resources for Mac, iPad, iPhone, and Apple Watch. Overall, Instant Portrait seems to be an app designed to facilitate portrait photography on Apple mobile devices, offering users the ability to capture or create professional-looking portraits with ease.