Mobileto is a Korea–Vietnam product studio connecting Seoul and Ho Chi Minh City. Planning, design, development, deployment, and operations — one team ships end-to-end on an AI-native delivery rail.
From idea to App Store launch. Planning, UI/UX, Flutter app, backend, and deployment — one team owns the full cycle.
Keeping what you built alive is a different job. Metrics, infra, CS, QA automation, deploy pipelines — designed so a small team can run it reliably.
Not just adopting AI tools — redesigning the workflow with AI as a given. Design tokens, code connect, vibe-coding rails.
AI doesn't replace everything. Judgment and accountability stay with humans; repetition goes to the rail and AI.
Daily life in Ho Chi Minh City runs on a 5M-strong informal labor and life-service layer that official platforms don't reach. The residents and small merchants who need those services — alongside 200K foreign residents — live in the same city yet rarely connect, held back by language and the absence of trust infrastructure.
Sayyo erases that asymmetry with an AI-translated chat layer, and turns talent · lifestyle services · secondhand trades into a single conversation where people negotiate, agree, and leave a record — compounding trust over time. Formalizing the informal trade that official platforms can't reach — that's the layer Sayyo is building in Ho Chi Minh.
We plan in Seoul and build in Ho Chi Minh. The usual failure point of Vietnam offshore — missing PM bridge — is filled by a Seoul-based Product Owner and Dev PM, full-time.
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