Pocket CPM

Pocket CPM is a full CP/M-80 emulator for iPhone, putting the legendary operating system that defined a generation of personal computing right in your pocket.
Whether you're a retrocomputing enthusiast, a developer curious about the roots of modern operating systems, or someone who learned to code on a Z80 machine, Pocket CPM delivers an authentic CP/M experience with the convenience of iOS.
What is CP/M?
CP/M (Control Program for Microcomputers) was the dominant operating system of the late 1970s and early 1980s, running on millions of machines before MS-DOS reshaped the industry. It introduced concepts that still underpin modern computing — and it's a fascinating system to explore.
Features
• Full CP/M 2.2 emulation on a Z80 processor
• Built-in terminal with adjustable font size
• Load and run classic CP/M software and disk images
• Hardware keyboard support for a true workstation feel
• Monochrome display modes for authentic retro aesthetics
• No ads. No subscriptions. Own it once.
Who is Pocket CPM for?
• Retrocomputing hobbyists and collectors
• Computer science students and educators
• Developers who want to explore CP/M, BDOS, and BIOS internals
• Anyone who remembers the A> prompt with fondness
Pocket CPM is lovingly built for those who appreciate where computing came from. Boot up, type A>, and see what the fuss was about.