From Duolingo frustration to my own app in 7 weeks

What happens when a learning scientist uses AI as a co-developer?

Stian Haklev · Innlandet, March 2026 · reganmian.net

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GitHub
houshuang/alif

Arabic learning app with morphology-based spaced repetition. AI-generated sentences, personal podcasts, and reading preparation — built entirely with Claude Code.

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Comprehensible input in a bottle. A method and tool for intermediate learners that bridges the gap between textbook basics and fluent reading.

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