Mobile App Development Services
We engineer customer journeys that drive meaningful connections between your brand and your audience.
Mobile App Development
Mobile app development services involve designing, building, and optimising software applications that deliver seamless, personalised user experiences across iOS, Android, or cross-platform environments. Our mobile app development services include:

iOS & Android Native Development
We build iOS and Android apps tailored to your brand, designed to deliver personalised experiences that keep users engaged.

Cross-Platform Development
Reach every user with apps built on Flutter or React Native, ensuring seamless performance and personalised features across devices.

Behaviour-Driven UI/UX Design
We craft intuitive, visually appealing user interfaces that adapt to user preferences, boosting engagement and satisfaction.

Backend and API Architecture
Robust, scalable backends built for speed, security, and easy integration with existing systems and third-party platforms.

AI and Machine Learning Features
Add intelligent functionalities like chatbots, predictive analytics, and personalized recommendations.

Ongoing Support and Improvement
Continuous updates, bug fixes, and feature enhancements to keep your app ahead of the curve.
Crafting apps for mobile devices to engage customers in their digital spaces
With operations based in Taiwan, 4i Tech has built relationships with partners from over 20 countries around the globe. We focus on creating high-performance, user-friendly mobile apps that are designed to meet your unique business needs. Apps we build serve as key parts of a larger digital system. The connection, consistency, and usefulness appear at every step of the users' journey.
We partner with your team across six tightly integrated phases. Our app development processes focus on aligning on outcomes, speeding up results, and optimising based on user experience.
Discovery and Planning
We begin by understanding your business goals and requirements, conducting thorough market research to identify opportunities and challenges.
Design and Prototyping
We'll craft intuitive interfaces that address specific customer needs at key decision points, creating experiences that influence behaviour while reinforcing your brand promise.
Development
Our development team will bring these experiences to life using technologies chosen specifically for their ability to deliver on your customer experience goals.
Testing and Quality Assurance
We'll implement analytics frameworks that capture meaningful signals about customer behaviour, allowing us to measure impact and identify opportunities for refinement.
Deployment
We handle the deployment process, ensuring a smooth launch on the App Store and Google Play.
Maintenance and Support
Our team provides ongoing maintenance and support, ensuring your application remains up-to-date and performs at its best.
System tools we use








































Six Reasons Brands Partner with Us
Proven Expertise
From healthcare to real estate to fintech, our multinational team worked on more than 30 different industry specific cases.
End-to-End Solutions
From concept to post-launch support, we handle everything under one roof.
Swiss-Managed, Asia-Powered
You get the transparency and precision of Swiss management with the efficiency of Taiwan-based engineering.
On-Time Delivery
Meet deadlines without compromising quality or budget.
Transparent Communication
Stay informed and involved throughout the entire process.
Related Case Studies

E-commerce Website & App for High-End Fashion Line
Our client is a diversified, US-based entrepreneurial group. The project entailed developing a fashion e-commerce website and integrated app for a new high-end fashion line

Flight Booking App Development for US Private Jet Company
Our client JetEdge is a US-based private jet company. Our project entailed the creation of an app that allows customers to book flights. It includes various membership options as well as catering and is connected to a backend that calculates the pricing and communicates it to the client once it is available

Interactive Marketing App for Logitech Earphones
Our client Logitech is a leading peripherals brand, and the project entailed the development of an interactive marketing app for their latest line of earphones

DKSH Customer Service & Management App Development
Our client DKSH (大昌華嘉) is a large market expansion services company. In order to improve customer satisfaction and adhesion, we developed an app for their customers on which they can conduct online repairs, parts ordering and warranty inquiries. The system includes the APP used by customers and the management interface used by managers.

KK Stream
The client is a well-known video and audio streaming manufacturer. The project requires the development of a multi-tenant architecture video and audio streaming rental platform.


We work with businesses of all sizes
Startups:
We help transform your innovative ideas into market-ready mobile apps with MVP development, rapid prototyping, and cost-effective solutions that allow you to test your concept, attract investors, and scale quickly as your user base grows.
Small & Medium Businesses:
We create custom mobile apps that digitise your services, improve customer engagement, and streamline operations - from appointment booking systems and loyalty programs to e-commerce platforms that help you compete with larger competitors and reach new markets.
Enterprises:
We develop robust, scalable mobile solutions that integrate with your existing systems, support thousands of users, and meet enterprise-grade security requirements, including employee productivity apps, customer portals, and complex business applications that drive digital transformation across your organisation.