A Tokyo-based technology company creating intelligent, personal AI products and solutions for a better life.
MyArcs is a technology company registered in Tokyo, Japan, dedicated to building AI products that form genuine connections with people.
Founded on the belief that AI should do more than answer questions — it should understand who you are, remember what matters to you, and grow alongside you — we develop intelligent products at the intersection of artificial intelligence and human experience.
Consumer applications that leverage LLM technology, memory systems, and contextual embeddings to deliver deeply personalized experiences
Expert-level SwiftUI, SwiftData, and Apple framework integration (HealthKit, EventKit, Vision, StoreKit, WidgetKit)
Conversational AI, personalization engines, and intelligent data aggregation systems
Technology should serve people, not the other way around
Your data stays on your device. Always.
The more you use it, the better it knows you
We build with care, from architecture to pixel
Not just a tool — an AI that understands your story, walks beside you, and helps you grow.
Coming Soon on App StoreRemembers your story, goals, and preferences. The more you use it, the better it understands you.
Proactive care every day — not a cold tool, but a friend who truly cares.
Achieve goals, build habits, and improve skills with personalized guidance.
Life, emotions, health, finance — specialized AI characters for every aspect.
Your AI Best Friend
The central hub that knows everything about you. Collects your stories, understands your goals, and coordinates all other characters to serve you better.
Life Assistant
Manages your schedule, reminds you of important events, and helps you plan your life efficiently.
"You have an interview tomorrow. Get some rest tonight!"
Soul Companion
Your emotional support companion. Listen to your feelings, provide comfort, and guide you through tough times.
"You seem tired lately. Want to talk about it?"
Health Coach
Keeps you active and healthy. Tracks your workouts, builds habits, and gives personalized health advice.
"Haven't exercised today. How about a short walk?"
Financial Companion
Your personal CFO. Tracks expenses via receipt scanning, manages budgets, monitors subscriptions, and provides spending insights.
"You spent 15% more on dining this month. Want to set a budget?"
Tell Your Arc about your life, goals, and dreams
AI characters learn about you and provide personalized support
Receive proactive guidance and achieve your goals
We design and build AI-powered products that go beyond chatbots.
Native iOS development is our craft. We build with:
We partner with organizations to:
We're always open to meaningful collaborations. Whether you're looking for an AI development partner, want to integrate intelligent features into your product, or have an idea that needs building — let's talk.
Companies exploring AI-powered user experiences
Organizations needing custom AI or iOS solutions
Academic or industry partners in AI personalization
Opportunities to bring our products to new markets
For business inquiries and partnerships:
ryu@arcs-ai.comWe typically respond within 2 business days.