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Seoul, Korea → Everywhere

Building bridges between Korean wisdom and the world

Pie Nest creates AI-powered experiences that make Korean culture accessible, meaningful, and deeply personal — wherever you are.

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“The magpie builds its nest everywhere — yet never forgets where it comes from.”

“Pie Nest” is named after the magpie — a bird that symbolizes good fortune in Korean folklore, yet thrives on every continent. It’s a fitting metaphor for what we do.

We believe Korean culture holds wisdom worth sharing: ancient frameworks for understanding ourselves, a language shaped by centuries of philosophy, and daily practices that bring clarity to modern life. Our apps are the bridges.

Rooted

Korean heritage, authentic depth

Global

Built for every culture

Personal

AI that truly understands you

Three apps, one mission

Each app opens a different door into Korean culture — fortune, language, and the art of daily reflection.

Live on App Store

K-Saju Global

Your destiny, decoded through Korean astrology

An AI-powered Saju (Four Pillars) reading app that transforms centuries-old Korean fortune-telling into deeply personal daily guidance — available in 8 languages.

Visit k-saju.app →
In Development

Dalnara

Learn Korean through culture, not just textbooks

A language learning app that weaves Korean culture into every lesson — with AI-powered pronunciation coaching personalized to your native language’s unique challenges.

Coming soon
In Development

WriteMyDay

Your AI writing coach, inspired by daily life

A Duolingo-style writing coach that helps you build a daily writing habit. Start with a simple prompt about your day, and grow into a confident, expressive writer.

Coming soon

How we build

Three principles that guide everything we create.

Culture first, technology second

We start with deep cultural research — consulting practitioners, reading original texts, and understanding the ‘why’ behind traditions — before writing a single line of code.

AI as a translator, not a replacement

Our AI doesn’t invent wisdom. It translates centuries of cultural knowledge into language and insights that feel relevant to your life today, in your language, in your context.

Ship fast, listen faster

We believe in rapid iteration driven by real user feedback. Every feature we build is shaped by people who actually use our apps, not assumptions made in a vacuum.

From the nest

Thoughts on building at the intersection of culture, AI, and product.

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Culture × Tech Mar 2026

Why Korean fortune-telling resonates globally

Product Mar 2026

Building multilingual AI apps that actually feel natural

Language Coming soon

The sounds your tongue can’t make (yet)

Writing Coming soon

Why journaling apps fail — and what writing coaches get right

Discover what Korean wisdom can offer you

Download on the App Store
Coming to Google Play