Shipping AI products globally

1 Developer
AI-Powered
100x Speed

Hundred Core is a solo-developer studio in Seoul that leverages AI to build, ship, and scale consumer products at unprecedented speed. 12+ apps published across 12 languages.

12+
Apps Published
12
Languages
16
Blog Posts / Day
1 = 100
Developer x AI
One developer. AI-augmented. Global reach.

"Hundred Core" means delivering the output of a hundred engineers through one person amplified by AI. We build consumer apps, AI services, and automated content systems from Seoul for the world.

🤖

AI-Native Products

Every product is built with AI at its core -- tarot reading, dream analysis, TRPG storytelling, and automated content generation.

📱

Cross-Platform Delivery

Web (Next.js, React), mobile (Flutter), and mini-apps -- one codebase logic, multiple distribution channels.

🌎

12-Language Localization

Korean, English, Japanese, Chinese, Spanish, Portuguese, French, German, Vietnamese, Thai, Indonesian, and Arabic.

Ship Fast, Iterate Faster

With our App Factory system, we go from idea to published app in 1-2 weeks, fully localized and automated.

"The future belongs to those who can leverage AI
to build what used to take a team of 100."
-- Hoyoung Kim, Founder
Tech Stack & Capabilities

A modern, serverless architecture powered by multiple AI models and cross-platform frameworks.

🧠

Multi-Model AI

Claude, Gemini, and GPT orchestrated via OpenRouter. Applied to fortune-telling, dream analysis, TRPG narration, and content generation.

OpenRouter Claude Gemini GPT
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Cross-Platform

Flutter for mobile, Next.js/React for web, and Toss mini-apps. One business logic, three distribution channels.

Flutter Next.js React TypeScript
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App Factory

Proprietary system for rapid app creation. Template-based generation with automatic 12-language localization and CI/CD deployment.

Automation i18n Pipeline CI/CD
📝

Blog Autopilot

AI generates 16 SEO-optimized blog posts daily (8 Korean, 8 English) via GitHub Actions. Fully autonomous, 24/7 operation.

GitHub Actions Blogger API SEO Affiliate
☁️

Serverless Infrastructure

Vercel for edge functions, Supabase for database and auth, Firebase for mobile backends. Zero server maintenance.

Vercel Supabase Firebase Serverless
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Compliance & Security

AI Act compliant (AI-generated content labeling), privacy policy per app, GDPR-aware localization practices.

AI Act GDPR Privacy
Product Portfolio

From AI-powered fortune reading to multiplayer TRPG -- consumer products designed for global audiences.

Moonlit Oracle
Moonlit Oracle
FLAGSHIP -- AI Tarot & Fortune Reading

Three AI oracle personas -- Nox, Selene, and Nova -- deliver personalized tarot readings, birth chart analysis, dream interpretation, and compatibility checks. Available in 12 languages with a distinctive K-webtoon visual style.

Web Android AI 12 Languages
Tarot Reading
Fortune & Birth Chart
Dream Interpretation
Compatibility Check
AI Oracle Chat
Palm Reading (Vision AI)
NyanQuest
NyanQuest
AI TRPG -- Tabletop RPG with AI Game Master

An AI Game Master creates stories in real time as you explore a cat-themed fantasy world. Solo and multiplayer modes with community scenario sharing.

Web Android AI
DreamFlow
DreamFlow
AI Lucid Dream Trainer

Scientific lucid dreaming program with AI coach Lumi. 14-week training, dream journal, reality check reminders.

Android AI
LottoRich
LottoRich
AI Lottery Assistant -- 152 active users

AI-powered lottery number generation and analysis. Dream-based number picks, statistical analysis, and purchase history tracking.

Android AI
JellyPocket
JellyPocket
Pet Care & Expense Tracker

Pet expense manager with donut charts, vaccination D-Day alerts, food supply tracking, and a scrapbook-style diary editor.

Android
RealPay
RealPay
Hourly Wage Calculator

Real-time wage calculator and work log for freelancers and part-time workers.

Android
PillTime
PillTime
Medicine Reminder

Family medication management. Set reminders, track doses, and share schedules with loved ones.

Android
Wolse Ledger
Wolse Ledger
Rent Payment Tracker

Rent payment management for tenants. D-Day dashboard, payment stamps, deposit interest calculator.

Android
Plip
Plip
AI Plant Care Assistant

AI-powered plant health diagnosis and personalized care guides with automatic watering reminders.

Android AI
About the Developer
👨‍💻

Hoyoung Kim

Founder & Solo Developer

Full-stack developer specializing in Flutter, React, TypeScript, and AI/LLM integration. Built and shipped 12+ apps in 12 languages in under 3 months using AI-augmented development. Created the App Factory system for rapid product generation, and runs a fully automated blog network producing 16 SEO-optimized posts daily via GitHub Actions. Based in Seoul, building for the world.

Get in Touch

Interested in collaboration, partnerships, or just want to say hello? Reach out anytime.

📧

Email

osu355@gmail.com

🐙

GitHub

hundredcorekorea

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Flagship Product

moonlitoracle.com