Apple is preparing for the launch of its upcoming iPhone Duo, a new smartphone with a dual-screen design. The company is working with app developers to ensure that their software is fully compatible with the device’s unique format. Apple wants to avoid the problems that some Android foldable phones faced when they first came out, where many apps had technical issues due to the way they handled different screen sizes. To help developers, Apple has released detailed instructions on its official blog. These guidelines outline three main steps for preparing apps for the iPhone Duo. The first step involves updating existing apps using Xcode 27.1, a development tool that allows developers to see how their apps will look and function on the new device. The second step focuses on the requirements for publishing apps on the App Store, such as preparing screenshots and preview videos that show the app on the iPhone Duo. The third step is submitting the app for approval. Apple has started accepting apps that are optimized for the iPhone Duo, with specific deadlines for compliance. Beginning in April 2027, all new apps submitted to the App Store will need to support the iPhone Duo and include images showing how they will appear on the device. The company is also holding special workshops to help developers understand the new requirements and ensure their apps work smoothly. Apple’s strategy is to learn from past experiences with Android smartphones, where many apps had display-related bugs when users first tried them. By taking a proactive approach, Apple hopes to ensure that the iPhone Duo is fully functional from the moment it hits the market, providing a seamless experience for users right out of the box.