PymbleSoftware

POCKET CPM

The classic 8-bit operating system. In your pocket.

A> MBASIC HELLO.BAS
CP/M 2.2 — RunCPM Core
64K TPA Available
A> DIR
MBASIC .COM
WORDSTAR.COM
SUBMIT .COM
ASM .COM
A> MBASIC
MBASIC 5.28
Copyright 1977–1981
Ok
10 PRINT "HELLO, WORLD!"
20 GOTO 10
RUN
HELLO, WORLD!
HELLO, WORLD!
...

Run CP/M on iOS

Pocket CPM brings the legendary CP/M 2.2 operating environment to your iPhone and iPad, powered by a faithful RunCPM core.

Load classic software — MBASIC, WordStar, Turbo Pascal — or write your own Z80 assembly programs, all from the palm of your hand.

A full terminal interface with keyboard support, file import/export, and authentic monospaced display make this the definitive retro computing experience on iOS.

⌨️

Full Terminal

Hardware & on-screen keyboard support. Authentic CP/M command-line feel, right on your device.

💾

File System

Virtual A: through P: drives. Import .COM and .BAS files via the Files app and iCloud Drive.

🖥️

MBASIC Ready

Ships ready to run MBASIC 5.28. Relive the golden age of microcomputer programming.

🌙

Phosphor Themes

Green, amber, and white phosphor display modes. Your screen, your era.

📤

Share & Export

Export files directly to Files, AirDrop, or email. Your CP/M work travels with you.

Platform iOS 16.0 and later
Compatible devices iPhone, iPad, iPod touch
OS emulated CP/M 2.2 (Digital Research)
TPA memory 64 KB
Virtual drives A: — P: (16 drives)
File import Files app, iCloud Drive
Developer PymbleSoftware

Available on the App Store

Download Pocket CPM and rediscover the machine that changed computing.

▶  Download on the App Store

$1.99 — One-time purchase. No subscriptions.