Doomscroll

Swipe-to-learn spaced repetition for codebases.

Doomscroll is a React Native product experiment for turning codebase exploration into short, reviewable cards. The premise is simple: developers already skim, save, and revisit fragments of code. This app makes that behavior explicit and structured.

Why it exists

Codebase onboarding is usually too heavy for the moments when people actually learn: between tasks, during review, or while trying to understand a new system. Doomscroll explores a lighter interaction model for building familiarity with files, concepts, and implementation patterns over time.

What it demonstrates

• Expo and React Native app structure with expo-router.
• Gesture-first mobile interaction patterns.
• Local-first product thinking for imported learning material.
• App Store oriented metadata and release preparation.
• A clear product thesis rather than a generic demo shell.

Tech stack

• Expo 54
• React Native 0.81
• React 19
• TypeScript
• Reanimated, Gesture Handler, SVG, AsyncStorage

Run locally

npm install
npm run ios

For web preview:

npm run web

Case study

See CASE_STUDY.md for the product framing, tradeoffs, and next steps.