TTodayHelloCalling with care
AI Phone Companion
TodayHello
AI phone companion service connecting care, family, and meaningful daily check-ins.
AIiOSAndroidSpringAWS
Learn MoreWhat we do
Core Luma is a two-person product studio. We design, build, and ship digital products that solve real problems and create meaningful experiences.
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Ideate
We find meaningful problems worth solving.
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Build
We build with clean code and solid architecture.
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Launch
We ship fast and focus on real user value.
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Improve
We listen, learn, and keep improving every day.
Selected products
Ideas, made tangible.
작은 아이디어가 선명한 제품이 되기까지. Core Luma가 직접 설계하고 만들고 출시한 제품들입니다.
From core logic
to human experience
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Stay closeHush.
AI Relationship App
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An emotional AI experience designed around conversation, memory, and long-term connection.
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Learn MoreIdea becomes product
Who we are
A small team building solid products.
Our story, principles, and the meaning behind Core and Luma.
How we build
From idea to launch.
A focused process from the first thought to continuous improvement.
Meet the team
Two disciplines, one product team.
Frontend and backend working side by side from beginning to end.
Building in public
Always making the next thing.
A living timeline of launches, lessons, and what comes next.
Start a conversation
Let’s build something meaningful.
A calm, direct invitation for ideas, collaborations, and product opportunities.