pocketFORTH

A modern FORTH environment for iPhone and iPad. New capabilities arrive with every release—the journey has just begun!

Learn FORTH on your iPhone and iPad Pocket FORTH is a modern FORTH interpreter inspired by the golden age of pocket computers and home computing. Whether you're a retro-computing enthusiast, a student, or simply curious about one of the most influential programming languages ever created, Pocket FORTH lets you write and run FORTH programs directly on your iPhone or iPad.

Main Features • Classic FORTH interpreter • Define your own words and extend the dictionary • Save and load programs in .4th format • QR Code import and export • Easy program sharing between devices • iOS Shortcuts integration • Clean terminal-style interface • Dictionary and stack inspection tools

Ideal For • Learning FORTH • Retro computing enthusiasts • Education and experimentation • Small utilities and algorithms • Exploring stack-based programming

Pocket FORTH is lightweight, fast, and works entirely offline.