Yes, Java apps are still used today. Java is a widely used programming language that is used to build applications for a variety of programming platforms. It is the language behind many of the world's most popular websites and applications. Java-based mobile phone applications are popular and are used by many companies to produce mobile applications for their customers. Additionally, many corporate systems use Java in the backend for their systems. Java is also a very popular language for developing games for desktop and mobile platforms. So, yes, Java apps are still very much in use today.