Welcome! I'm Lee Johnson, a seasoned app developer with over five decades of life experience, passionately immersed in the Apple ecosystem. Specialising in WatchOS and iOS, I craft innovative solutions using Xcode, Swift, and SwiftUI, delivering cutting-edge applications that captivate and engage users.
With a career built on a foundation of curiosity and technical precision, I specialise in developing apps that push the boundaries of what's possible on Apple's platforms.
My mission is simple: to provide the best performance possible for all my clients. My mission may be simple, but attaining it takes dedication, expertise, and a willingness to innovate.
Whether it's designing intuitive, glanceable interfaces for the Apple Watch or building robust, feature-rich iOS applications, my goal is to create tools that integrate effortlessly into users' lives, enhancing productivity, creativity, and connection.
WatchOS Development:
I create apps optimised for the unique capabilities of the Apple Watch, focusing on performance, usability, and glanceable interactions. From fitness trackers to productivity tools, my WatchOS apps are designed to deliver value in a compact, wrist-friendly format.
iOS Development:
My iOS apps are built to harness the full potential of iPhones and iPads, combining sleek design with powerful functionality. I prioritise clean code, smooth animations, and intuitive navigation to ensure a delightful user experience.
Swift & SwiftUI Expertise:
Using Swift and SwiftUI, I craft modern, scalable, and maintainable codebases that align with Apple's latest standards. This allows me to build apps that are not only visually stunning but also future-proof and adaptable to evolving technologies.
End-to-End Development:
From ideation and prototyping to testing and deployment, I handle every stage of the app development process. My approach blends creativity with technical rigor, ensuring that each project meets both user needs and business goals.
User-Centric Design:
I believe that great apps start with understanding the user. By combining data-driven insights with empathetic design, I create applications that feel intuitive, responsive, and tailored to real-world needs.
Drawing on decades of life experience, I bring a unique perspective to app development. I'm not just a coder—I'm a problem-solver who thrives on transforming ideas into reality.
My process is collaborative, transparent, and iterative, ensuring that every project reflects the vision of my clients while adhering to the highest standards of quality.
Whether I'm working with startups, established businesses, or individual visionaries, I focus on delivering apps that stand out in the crowded App Store.
My commitment to staying at the forefront of Apple's evolving ecosystem—whether it's adopting the latest SwiftUI advancements or optimising for new hardware—ensures that my work remains innovative and impactful.
Deep Apple Ecosystem Knowledge:
My immersion in Apple's platforms means I understand the nuances of WatchOS and iOS, enabling me to create apps that feel native and polished.
Proven Expertise:
With a track record of delivering successful applications, I combine technical skill with a passion for excellence.
Tailored Solutions:
Every project is unique. I take the time to understand your goals and craft solutions that align with your vision.
Lifelong Learner:
Technology evolves, and so do I. I stay updated with the latest tools, frameworks, and best practices to deliver cutting-edge results.
Experience the sophisticated realm of Stromascape Apple Watch faces, meticulously designed with artistic precision and featuring dynamic live complications and extensive customization options. Currently offering 49 meticulously crafted faces, with new designs consistently introduced to enhance your collection.
View the web version of the app: https://stromascape.com
Explore a revolutionary perspective on timekeeping with MetricTime, featuring a decimal-based system with 10 hours and beyond. This innovative approach underscores the continuous evolution of horological science and its enduring intrigue.
This watchOS application is engineered to inspire and empower users on their path to enhanced self-positivity and mental well-being. It delivers carefully curated motivational quotes encompassing themes such as self-love, resilience, positivity, and personal development.
Discover 220 carefully selected quotes designed to spark positivity and inspire daily. These concise, uplifting affirmations appear hourly on your Apple Watch from 8 AM to 9 PM, fostering self-belief and resilience with every gentle reminder.
Take Control of Your Drinking with Tipple Units. Stay informed and make smarter choices with Tipple Units, a user-friendly iOS and WatchOS app designed to monitor your alcohol consumption with precision.
Effortlessly track every drink by inputting alcohol percentage, volume, and timing, and let our app calculate your intake using trusted U.K. government guidelines.
Tipple Units goes beyond tracking—it estimates your safe driving time based on your body's alcohol metabolism, helping you stay safe and responsible.
Coming soon to the App Store
Introducing a sophisticated and user-friendly note-taking application designed exclusively for the Apple Watch, offering seamless integration of voice and text input functionalities.
This innovative app empowers users to effortlessly capture ideas, reminders, and tasks on the go, leveraging the convenience of voice dictation or manual text entry directly from their wrist.
With its intuitive interface and robust performance, it ensures a streamlined and efficient note-taking experience, optimized for the Apple Watch's unique capabilities.
In production
Say goodbye to AI-cluttered Google search results. Our sleek macOS app empowers you to filter out AI-generated content, delivering clean, human-curated results that respect your search intent.
Simple to use, lightweight, and built for those who value authentic information. Take control of your search experience—download AiCuttr today and explore the web on your terms.
In testing
Let’s bring your ideas to life. Whether you're envisioning a game-changing Apple Watch app or a transformative iOS experience, I'm here to make it happen. Reach out today, and let's create something extraordinary together.
Techniques and tools for keeping your iOS and watchOS apps lightweight and power-efficient. Discover how background tasks, animations, and refresh cycles impact performance, and learn straightforward tweaks that keep apps smooth without draining user batteries.
Building your first Apple Watch app can seem daunting, but with Swift and SwiftUI, it's more accessible than ever. This comprehensive guide, written as your dedicated Swift and SwiftUI tutor, will walk you through every step—from setting up your development environment to deploying a fully functional app.
Learn how to craft experiences for the smallest display with maximum impact, from micro-interactions to accessibility in tiny viewports where space and user attention are critical. Explore real advice for balancing minimal UI with functional richness and delight.
The app code is well-structured for a beginner's project, demonstrating a solid grasp of SwiftUI basics, including state management, timers, and WatchKit integrations for haptics. However, as with any app, there is room for improvement in areas such as code modularity, user experience (UX), performance optimization, accessibility, persistence of user settings, and adherence to modern SwiftUI best practices.
Explore an A-Z directory of essential Swift terms, from core syntax like “async/await” to standard library staples and SwiftUI integrations. Each entry delivers clear definitions, practical code examples, and usage tips tailored for iOS and watchOS developers. This reference empowers you to master Swift’s nuances quickly, with balanced coverage across letters for consistent depth.
Comprehensive yet Focused: Key concepts alphabetized for fast lookup.
Hands-On Learning: Real-world snippets you can copy-paste, building on your SwiftUI app-building experience.
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