Engineering Blog

How I build WOYM: the problems I hit making a journaling app for iPhone, iPad, Android and the web, and how I solved them.

October 24, 2026 · 12 min read

Keeping Handwriting as Handwriting: PencilKit Pages in a Flutter Journal

How I put Apple's PencilKit inside a Flutter app, stored each page as one PNG that still holds its strokes, synced it, made it searchable, and kept red ink red in dark mode.

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