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The Assembler

The Assembler

Learn coding with pixel art

10 ratings
5 reviews
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Developer

Lena Mattea Stoexen
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About

Learn Assembly programming and binary operations by creating pixel art. Each chapter introduces new operations, using 8-bit registers as your canvas to manipulate values and paint an 8x8 image. This app offers a fun, introductory approach to coding fundamentals.

✓Learn Assembly programming
✓Understand binary operations
✓Create pixel art on registers
✓Ten chapters with progressive learning
✓Interactive 8x8 canvas
✓Introduction to programming fundamentals
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What's New in The Assembler

3.4

March 22, 2026

Fixing the views for small iPhones! The app should now show correctly on iPhone SE and other small phones. Added an option to export artworks in the last chapter.

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User reviews

Most RecentHighest RatedLowest Rated

A fun way to learn assembly

I was much more familiar with ARM assembly many years ago, but it’s been a long time since I’ve used it, so I’ve forgotten nearly all of it. This app proved to be a very effective and entertaining way to refresh my memory. It explains all the low-level concepts very clearly, and keeps me engaged a lot longer than a decompiler and a textbook do
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mhuletdevmhuletdev

Response from developer

Thank you so much! Good to hear that you had fun whilst learning.

Fixed: chapter skipping - nice

They fixed the chapter skipping bug, nice. I've only just restarted, but it's so good that I came like this exists. Looking at assembly code is really important just to understand what is being produced by most programming languages. Occasionally comes up, but is often too arcane to be used because most people don't have exposure. I'm excited to work my way through this game. There may be some game design elements that could be improved (e.g.when they introduce MVN the task doesn't seem to benefit from its use) - still fun and accessible.
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KesaGatameKesaGatame

Response from developer

Thank you so much. I’m happy you like it. Thanks for the feedback on the MVN chapter, I’ll see what I come up with for the next update. Hope you continue to have fun! EDIT: This issue is fixed in the version 1.1 Update. Hey, I'm Lena, the developer of the app. Thank you for downloading my app. I am not sure I am aware of the issue you are describing. Maybe you can help me fix it. Currently I am working on an update. I would be delighted if you could email me a description of what's happening to: lena@fancygoose.dev Thank you

Neat. Currently broken though.

Every other chapter (for first 5 that I’ve seen) auto-concludes.

Fun intro to assembly if ever fixed though.
KesaGatameKesaGatame

Response from developer

EDIT: This issue is fixed in the version 1.1 Update. Hey, I'm Lena, the developer of the app. Thank you for downloading my app. I am not sure I am aware of the issue you are describing. Maybe you can help me fix it. Currently I am working on an update. I would be delighted if you could email me a description of what's happening to: lena@fancygoose.dev Thank you

Neat. Currently broken though.

Every other chapter (for first 5 that I’ve seen) auto-concludes.

Fun intro to assembly though.
KesaGatameKesaGatame

Poor UX

I really wanted to like this, but issues as simple as not being able to cancel a partially written command make this very irritating to use.
El Nerdo DegeekEl Nerdo Degeek

Response from developer

Hey, Thank you for the feedback. I’m sorry you didn’t have a great experience. I fixed this issue in the new update. Really hope you can like the app a little more now. ~ Lena

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FAQ

What is The Assembler?

The Assembler is a free educational app that teaches Assembly programming and binary operations by allowing users to create pixel art on an 8x8 register canvas. It was developed as a fun introduction to coding fundamentals.

How does The Assembler teach coding?

The app breaks down learning into ten chapters, each introducing different Assembly operations. Users manipulate values in 8-bit registers to create 8x8 pixel art paintings, making the learning process interactive and visual.

Is The Assembler suitable for absolute beginners?

Yes, The Assembler is designed as a small and fun introduction to Assembly, programming, and the binary system. Its visual approach and progressive chapters make it accessible for those new to coding.

What devices does The Assembler support?

The Assembler is available on iPhone, iPad, and Apple Vision Pro devices. It was originally created for the Swift Student Challenge 2022.

What is the age rating for The Assembler?

The Assembler has an age rating of 4+, making it suitable for a wide range of users interested in learning programming concepts.

How often is The Assembler updated?

The latest version of The Assembler is 3.4, and it was last updated on March 22, 2026. This indicates a commitment to ongoing development and improvements.

Does The Assembler have ads?

No, The Assembler does not contain advertisements. It is a completely free application without any ad interruptions.

What is the user rating for The Assembler?

The Assembler has received an excellent rating of 4.8 stars from 10 ratings, indicating a high level of user satisfaction with the app's educational content and design.