Which programming language is best for hybrid app?

Hybrid app development allows developers to use a combination of web technologies (such as HTML, CSS, and JavaScript) and native app development to create apps that can run on multiple platforms. Some of the best technologies for hybrid app development include:

1. React Native: React Native is an open-source framework created by Facebook that allows developers to build high-quality, native mobile apps using JavaScript and React. React Native apps can be built for both iOS and Android, and the framework provides a wide range of features and tools to streamline the app development process.

2. Ionic: Ionic is an open-source SDK that uses web technologies to build hybrid mobile apps. The framework is built on top of AngularJS and provides a range of UI components, plugins, and themes to help developers build high-quality apps quickly and easily.

3. Xamarin: Xamarin is a cross-platform app development tool that allows developers to build native iOS, Android, and Windows apps using a single codebase. Xamarin uses C# and .NET to build apps, and provides a range of tools and features to help developers streamline the app development process.

4. Flutter: Flutter is an open-source UI toolkit created by Google that allows developers to build high-performance, natively compiled mobile apps for iOS and Android using a single codebase. Flutter uses Dart as its programming language, and provides a wide range of widgets and tools to help developers create beautiful, responsive apps quickly and easily.

5. PhoneGap: PhoneGap is a free, open-source framework that allows developers to build cross-platform mobile apps using web technologies. PhoneGap uses HTML, CSS, and JavaScript to build apps that can run on multiple platforms, and provides a range of plugins and tools to help developers build high-quality apps quickly and easily.

Overall, there are many technologies available for hybrid app development, each with its own strengths and weaknesses. The best technology for your project will depend on a range of factors, including your budget, the complexity of your app, and your development team's skills and experience. It's important to carefully evaluate your options and choose a technology that will help you build a high-quality, reliable, and user-friendly app that meets your business goals and requirements