Expo Go is a free developer tool for iPhone users that allows them to build interactive experiences with web technologies using JavaScript and React. With this app, developers can create projects that include interactive gestures and graphics, making it a powerful tool for creating engaging experiences.

One of the key features of Expo Go is that it allows developers to build projects using just their iOS device and computer. This makes it an accessible tool for developers who are always on the go. Additionally, the app uses React Native 0.71, ensuring that developers have access to the latest technology. However, it is worth noting that some programming experience is recommended to use this tool effectively.

Overall, Expo Go is a must-have tool for developers who want to create engaging and interactive experiences using web technologies.