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Build a dyslexia reading practice app for a child with Claude Code

WorkedEvidence: Described by posterPosted Last checked

Chris Crandall built Word Lab, a dyslexia reading app with twelve modes, for a child using Claude Code, with no ed-tech background.

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The person didn't share their exact words, so we wrote this from what they described. We haven't tested it, and they didn't use this exact version.

My child has dyslexia and confuses b, d, p and q. Build a simple web app that works offline on an iPad with a practice mode for those letters, spelling practice with letter tiles, and encouraging feedback that never punishes wrong answers. I'll test it with my child and tell you what to change.

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Optional stronger version

Our rewrite with extra checks. The poster didn't test it.

Before you start, ask me 1–3 short questions about the details below and wait for my answers. Once I've answered, confirm the plan in one line and run the whole task start to finish.

Goal: Build a small, encouraging reading practice app tailored to one child's dyslexia patterns, one mode at a time.

Questions to ask me first:
- How old is your child, and which letters, sounds or words cause the most trouble?
- What device will they use, and does it need to work offline?
- Is your child working with a reading specialist or using a method like Orton-Gillingham?

Inputs (fill in or confirm):
- Child's age and reading level: [AGE / LEVEL]
- Specific struggles (letter reversals, silent letters, vowel sounds): [PATTERNS]
- Word lists or lessons from school or a tutor: [LISTS]
- Device: [IPAD / CHROMEBOOK / PHONE]

Rules:
- Build one practice mode first and keep it simple enough for my child to use alone.
- Use dyslexia-friendly display options: adjustable font, spacing and background color.
- Make feedback encouraging: give one short tip after a wrong answer and never show scores that shame.
- Store progress on the device only; don't collect names or send data anywhere without asking me.
- If you add an AI tutor, keep its replies short, kind and age-appropriate.

Checkpoint: After the first mode works, stop so I can test it with my child and tell you what to change.

If you get stuck: If I describe a learning need you're not sure how to teach, suggest asking the child's teacher or specialist.

Verify before you finish: Test each mode on the target device, offline, before calling it done.

Output: The app files, how to install it on the device, and a short list of what each mode practices.

Done when: My child can open the app alone, practice the trouble spots and wants to come back.

AI tool

Claude Code

Outcome

Chris Crandall of CB5 Solutions, who works in IT infrastructure rather than education software, used Claude Code to build Word Lab, a reading and spelling app for a son with dyslexia. Crandall described each need in plain English, such as "He confuses b, d, p, and q. I need a training mode for that," then tested each version with the child and asked Claude Code for changes. The result has twelve practice modes, structured Orton-Gillingham lessons and an AI tutor that remembers spelling patterns, like swapping adjacent letters or dropping silent letters in words like "knife." It runs as an offline web app on an iPad, with about 15,000 lines of code. Wrong answers never get punished. Crandall says the child now opens it without being asked, and another parent updates words and passages with Claude Code without any programming background.

Evidence: Described by posterThe person describes what happened in words, without screenshots or video.

Source

Posted
by Chris Crandall (CB5 Solutions)
Last checked
Method:
How we verify

https://www.cbfive.com/building-a-dyslexia-reading-app-with-claude-code-a-technical-walkthrough/

Context: Word Lab is open source and built for one child. An app like this can support practice, but it doesn't replace a reading specialist.

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