Web / Mobile / Realtime Apps

Digital Product Development

Web and mobile apps, built with you from a first small version (MVP) to launch.

Features

Key features

  • 01

    Product strategy & UX design

    End-to-end: user research, persona design, journey mapping, and prototyping.

  • 02

    Realtime collaborative apps

    Plenty of experience with realtime sync, live streaming, and collaborative editing via WebSocket, WebRTC, and SSE.

  • 03

    Interactive experiences & gamification

    Compelling interactive experiences using 3D (Three.js / R3F) and animation (GSAP / Framer Motion).

  • 04

    Mobile apps (iOS / Android)

    High-quality cross-platform apps with React Native / Flutter.

Deliverables

Deliverables

  • Product requirements & UX design docs
  • Figma design files
  • iOS / Android / Web applications
  • Backend API (REST / GraphQL)
  • Cloud infrastructure setup
  • App store submission support

Tech stack

Main tech stack

  • Next.js / React / TypeScript
  • React Native / Expo
  • Three.js / React Three Fiber
  • GSAP / Framer Motion
  • Supabase / Firebase
  • tRPC / GraphQL

Engagement

Engagement models

  • MVP build (4–8 weeks)

    A fixed-price prototype to support market validation.

  • Product partnership

    Growth-oriented partnerships such as initial investment plus revenue share.

Pricing guide

MVP from ¥1,500,000, full product development from ¥5,000,000. Individual quotes depending on requirements.

* Final quotes are provided after an inquiry and a meeting.

FAQ

Frequently asked questions

Do you handle revamps of existing apps?

Yes — we have experience refactoring legacy code and migrating to modern tech (e.g. jQuery → React).

Talk to us about Digital Product Development

Requirements hearing, tech selection, rough estimates — all free to discuss.