NebraskaJS Message Board › Want to run node on your iPad?
The app is pretty simple, basically a GUI REPL. You type in some some code, the app executes it, and then displays the result. Repeat as needed.
While it's definitely not is a complete node development environment, the app and its associated documentation make it a fun way to learn node and try out new ideas on the go.
The application source is also available at github.