We create beautiful, intuitive mobile applications that help people achieve their goals. From health & wellness to productivity, we craft experiences that users love.
End-to-end mobile app development services tailored to your needs
Native iOS apps built with Swift and SwiftUI, optimized for performance and Apple's latest features.
Kotlin-powered Android applications with Material Design and seamless Google ecosystem integration.
Flutter and React Native solutions for cost-effective multi-platform deployment without compromise.
User-centered design that combines aesthetics with functionality for engaging experiences.
Scalable server infrastructure and RESTful APIs to power your mobile applications.
Ongoing updates, bug fixes, and feature enhancements to keep your app running smoothly.
Apps designed with care, built for impact
Your friendly companion for intermittent fasting. Track your fasting journey, build healthy habits, and achieve your wellness goals with intuitive design and smart notifications.
A proven methodology that delivers results
Understanding your vision, goals, and target audience through in-depth consultation.
Creating wireframes and prototypes that bring your app concept to life visually.
Building your app with clean code, best practices, and regular progress updates.
Testing, deployment, and ongoing support to ensure your app's success.
Modern tools and frameworks we use to build exceptional apps
Track Nine is a mobile app studio based in Seoul, South Korea. We believe that great apps can make a meaningful difference in people's lives.
Our mission is to create beautifully designed, user-friendly applications that help people build better habits and achieve their personal goals. We combine technical excellence with thoughtful design to deliver apps that users love.
The principles that guide everything we do
We stay ahead of the curve, embracing new technologies and creative solutions to build cutting-edge applications.
Every decision we make starts with the user. We deeply understand their needs to create truly helpful experiences.
We hold ourselves to the highest standards, delivering polished products that we're proud to put our name on.
Feedback from partners who trusted us with their vision
"Track Nine delivered beyond our expectations. Their attention to detail and user-focused approach transformed our app idea into a product our users love."
"Professional, responsive, and technically excellent. They understood our vision from day one and delivered a beautifully crafted app on schedule."
"Working with Track Nine was a game-changer for our startup. Their expertise in mobile development helped us launch faster and more efficiently."
Answers to questions we hear most often
Development time varies based on complexity. A simple app takes 2-3 months, while complex apps with custom features may take 4-6 months or more.
Yes! We offer ongoing maintenance packages that include bug fixes, updates for new OS versions, and feature enhancements.
We develop native apps for iOS and Android, as well as cross-platform solutions using Flutter and React Native.
Project costs depend on features, complexity, and platform requirements. Contact us for a detailed quote tailored to your needs.
Absolutely! Our team includes experienced UI/UX designers who create intuitive, visually appealing interfaces.
Yes, we're happy to sign non-disclosure agreements before discussing your project details. Your ideas are safe with us.
Let's turn your app idea into reality. Whether you're a startup or an established business, we're here to help you succeed.
Have a project in mind? We'd love to hear about it. Get in touch and let's create something great together.
Seoul, South Korea
Mon - Fri: 9:00 AM - 6:00 PM (KST)