Write, compile, and run Java code directly on your mobile device. Features include a custom keyboard, syntax highlighting, and iCloud integration. Ideal for learning and testing code snippets on the go.
3.4
March 13, 2026
Optimized for iOS and iPadOS 26
$2.99
Upgrade
Upgrade to premium version
This application allows you to write, compile, and run Java code directly on your iPhone, iPad, or iPod Touch. It is designed for learning Java and testing code snippets efficiently.
Key features include the ability to compile and run your programs, view output and detailed errors, a custom keyboard for easy input of special characters, an advanced source code editor with syntax highlighting and line numbers, and iCloud Drive integration for importing and exporting files.
The app is free to download and use, but it does offer in-app purchases and may display advertisements. Specific features or an ad-free experience might be available through these purchases.
An internet connection is required for compilation. Programs have a maximum running time of 20 seconds, and only one file can be run at a time. Some file system, network, and graphics functions may be limited, and interactive programs are not supported.
This app is ideal for students learning Java, developers who want to quickly test code snippets on the go, or anyone interested in practicing their Java programming skills without needing a full desktop environment.
