Pocket Assembler
Learn assembly the fun way!
Free · In‑App Purchases
Dive into the world of assembly programming, right from your iPhone or iPad! Pocket Assembler empowers you to write, explore, and enjoy low-level programming in a beautifully streamlined interface, perfect for beginners and seasoned developers alike.
Start with free coding mode to unleash your creativity, or test your skills with 45 carefully crafted challenges that will guide you through more complex, real-world coding tasks.
▶ Free and feature-rich:
- Learn at your own pace with 9 introductory challenges, walking you through the fundamentals of assembly language programming.
- Comprehensive documentation and coding tips, so you can understand each operation and optimize your code with ease.
- Personalized coding experience with customizable editor themes and text size.
▶ Unlock More with Pocket Assembler Pro
Upgrade to Pocket Assembler Pro and elevate your coding journey:
- 36 extra challenges – Push your skills with advanced challenges that unlock new ways of thinking.
- Advanced instructions – Access upgraded commands like CMOV, XOR, XCHG, and ROL for deeper control.
- Custom execution speed and logging controls – Step through execution more slowly, or tailor log outputs to fit your style.
- Expanded instruction limit – Move from 1,000 instructions per program to a massive 10,000, perfect for building bigger, more complex projects.
You can choose to subscribe to Pocket Assembler Pro for $7.99 annually, renewing every year until cancelled. You can also buy lifetime access for a one-time purchase of $19.99.
▶ Get started now!
Ready to code like it’s 1975? Pocket Assembler brings the power of assembly to your pocket, with all the tools you need to program, learn, and excel. Download now and start coding like a pro!
Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Privacy policy: https://www.hudson.uk/privacy
Pocket Assembler 2.0 is here, bringing new features, new instructions, new challenges, and more!
- NEW: 17 new challenges, including the devilishly difficult Mayhem challenge level – good luck!
- NEW: Step through your programs one instruction at a time.
- NEW: Line numbers are now shown; tap one to add a breakpoint.
- NEW: Tap any register to inspect its individual bits, along with its decimal, hexadecimal, binary, and ASCII representations.
- NEW: TEST, HEX, and WRITE instructions – see the Help tab for example code.
- NEW: Filter the Help tab to find specific instructions.
- FIXED: Conditional jumps such as JEQ now print debug output whether or not the jump is taken.
The developer, Hudson Heavy Industries, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Hudson Heavy Industries Ltd
- Size
- 4.8 MB
- Category
- Developer Tools
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Annual $7.99
- Pro Lifetime $19.99
- Copyright
- © 2026 Hudson Heavy Industries
