Expo is described as 'free and complete workflow for creating next-generation apps for iOS and Android' and is an app in the Development category. There are more than 25 alternatives to Expo for a variety of platforms, including Online / Web-based, Android, iPhone, Mac and iPad. The best alternative is Android Studio, which is both free and Open Source. Other great apps like Expo are MIT App Inventor (Free, Open Source), Bubble (Freemium), Thunkable (Freemium) and Flipabit (Free Personal).
Android Studio is the official integrated development environment (IDE) for Google's Android operating system, built on JetBrains' IntelliJ IDEA software and designed specifically for Android development.
Design beautiful web and mobile web applications without writing any code. Bubble's drag and drop builder gives you total freedom, letting you build pixel-perfect designs. Bring your site to life with responsive layouts and animations.
Flipabit is the fastest tool for creating native apps on every platform, from mobile device to the desktop. With no code. 1. Creating an app is as easy as drag and drop. 2. Run and test your mobile app on iOS, Android, Windows and Mac.
Turn your website into an Android app in minutes. It's free! Convert the most complex web application or website to an Android app in minutes. Enjoy Continuous Delivery - live app updates instead of waiting for weeks. Save hundreds of developer hours.
Basic4android is Simple and powerful RAD tool for developing native Android applications without time-consuming Java / Eclipse programming . - Basic4android includes all features needed to develop great, real-world Android applications.