On On Technology Services Limited

Founded in 2021 in Hong Kong, OnOn Technology is a software studio with design, engineering, and machine learning under one roof. Mobile apps come first. Everything else is built to make your product win. We ship iOS and Android apps in Flutter and React Native, modern web platforms in Next.js, React and TypeScript, and AI products end to end. 🤖 '. Two tiers of AI capability: • Integrate: we wire state-of-the-art models (Google Gemini and friends) into real products, with the billing, rate limits, and UX handled • Train: when off-the-shelf isn't enough, we collect data, annotate it, train custom models, and deploy them on edge hardware (NVIDIA Jetson): • Mobile app development for iOS & Android (our flagship) • Web development: sites and platforms, CMS-managed, SEO-first • Backend & cloud: AWS, Firebase, MongoDB, Spring Boot • Product design: UI/UX and prototyping in Figma • AI integration & custom model training : • 100% in-house team in Central, Hong Kong • MVP in 4–6 weeks · 98% on-time delivery • Transparent communication and post-launch support : In July 2026 we relaunched our own brand and site: Next.js 16, trilingual (English, Traditional & Simplified Chinese), and a new neo-brutalist design system. See how we build: https://onon.technology Ready to turn your idea into an app, a website, or an AI product? Message us.