pocketFORTH

Leonardo Del Nonno Education iPhoneiPadiPod touch

pocketFORTH is a free Education app for iPhone and iPad by Leonardo Del Nonno. Requires iOS 15.6. Updated July 16, 2026.

Price: Free; on the App Store
Size: 1 MB; Age 4+
Updated: Jul 16; 2026 · v2.0

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About pocketFORTH

Discover one of the programming languages that helped shape modern computing. PocketFORTH is a modern FORTH environment inspired by the golden age of pocket computers and home computing, bringing the power of interactive programming directly to your iPhone and iPad. Whether you're a retro-computing enthusiast, a student, an electronics maker or simply curious to explore one of the most influential programming languages ever created, Pocket FORTH lets you write, run, edit and save FORTH programs through a clean, fast and completely offline interface. Designed for both learning and experimentation, Pocket FORTH combines the simplicity of the original language with modern features including live editing, dictionary browsing, source inspection, QR code sharing, persistent storage and a growing collection of built-in words compatible with classic FORTH systems.

What’s new

Version 2.0 · Updated July 16, 2026

PocketFORTH is no longer just an interpreter. Version 2.0 introduces Pocket FORTH Embedded, extending the same programming experience to ESP8266 and ESP32 development boards. Connect over Wi-Fi to a board running Pocket FORTH Embedded and use your iPhone or iPad as a portable FORTH development console. Upload and download programs, interact with the remote interpreter, test hardware in real time and continue developing without leaving the app. The Pocket FORTH Embedded firmware is available as a free download from the official project website. Features • Interactive FORTH console • Live editing of word definitions • SEE, EDIT, COPYWORD and FORGET commands • CREATE, VARIABLE and CONSTANT support • Program save and load • QR Code import and export • Wi-Fi remote terminal • ESP8266 and ESP32 support • Offline operation • Optimized for learning and experimentation Whether you're rediscovering FORTH after many years or approaching it for the first time, Pocket FORTH offers a compact, authentic and enjoyable programming environment that fits in your pocket.

App privacy

The developer, Leonardo Del Nonno, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

pocketFORTH is a free Education app for iPhone, iPad and iPod touch, developed by Leonardo Del Nonno. It requires iOS 15.6 or later and is 1 MB to download. It was first released on June 2, 2026 and last updated on July 16, 2026.

Category: Education
Price: Free
Version: 2.0
Size: 1 MB
Requires: iOS 15.6 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: June 2, 2026
Last updated: July 16, 2026
Developer: Leonardo Del Nonno

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Alternatives to pocketFORTH

Looking for apps like pocketFORTH? Here are 6 similar apps on the App Store. The highest rated is (LispLab) (5.0/5), and 4 of the 6 are free to download.

pocketFORTH vs. alternatives
App	Rating	Price	Last updated
pocketFORTH	–	Free	July 16, 2026
(LispLab)	5.0 / 5 (2)	Free	Sep 1, 2026
Learn Haskell Programming	1.0 / 5 (1)	2.99 USD	Apr 21, 2026
Kim6502	5.0 / 5 (1)	Free	Mar 10, 2026
Collins Subject Dictionaries	5.0 / 5 (1)	11.99 USD	Jul 21, 2026
TabletBasic	5.0 / 5 (1)	Free	Jul 11, 2026
learnFORTH	5.0 / 5 (3)	Free	Sep 15, 2026