iOS App Strategy
Plan features, target users, monetisation and your App Store approach.
Trusted by 150+ UK & International Businesses for iOS App Development
iOS App Development Company in London
Premium iPhone and iPad apps for UK businesses that want a polished, high-quality experience for Apple users.
Expert iOS developers in London building Swift and SwiftUI apps that feel fast, secure and truly native on iPhone.
Premium native iOS delivery
iOS app development built for premium experiences
Design Dev is an iOS app development company in London building native apps for UK businesses and startups. Using Swift and SwiftUI, we create polished iPhone and iPad apps that follow Apple's design standards and feel smooth to use.
01
Native iPhone Apps
Swift and SwiftUI apps built for speed, security and the premium native feel iPhone users expect.
02
iPad & Apple Ecosystem
Apps for iPad, Apple Watch and widgets that make the most of the wider Apple device ecosystem.
03
iOS UI/UX Design
Clean, intuitive interfaces that follow Apple's Human Interface Guidelines and delight your users.
04
App Store Launch & Support
Submission, App Review support, TestFlight betas, updates and long-term iOS app maintenance.
A clear iOS app process from idea to App Store
01
Discovery & Planning
We define your app's goals, users, core features and business model before design.
02
iOS UX/UI Design
Apple-standard screens and app flows designed for iPhone and iPad from the start.
03
Swift Development
Native SwiftUI development in sprints, with TestFlight builds you can try each week.
04
Testing & QA
We test on real iPhones and iPads across iOS versions for speed, security and polish.
05
Launch & Support
App Store submission, review support and ongoing updates for each new iOS release.
Why iOS apps are valuable for UK businesses
iPhone has a strong share of the UK smartphone market, and iOS users are known for high engagement and in-app spending. An iOS app can be a powerful channel for sales, loyalty and customer service, putting your brand on the home screen of your best customers.
Native iOS development gives the best performance and access to Face ID, Apple Pay, HealthKit and widgets. Want Android too? Our Android developers can build alongside.
- High-Value Users
- Premium Experience
- Strong Security
- Apple Features
Complete iOS app development services
iOS UI/UX Design
Swift & SwiftUI Development
Modern, native iOS apps built with Swift, SwiftUI and clean architecture.
iPad App Development
Apps designed for larger screens, multitasking and productivity on iPad.
Apple Watch Apps
Companion apps, complications and health features for Apple Watch.
Apple Pay & In-App Purchases
Secure payments, subscriptions and StoreKit purchases done properly.
Face ID & Security
Biometric login, Keychain storage and secure handling of user data.
Push Notifications
Timely, relevant notifications that keep users engaged and returning.
HealthKit & Device Features
Health, location, camera, sensors, widgets and Live Activities.
API & Backend Integration
Testing & QA
Testing on real iPhones and iPads across supported iOS versions.
Maintenance & iOS Updates
Updates for each new iOS version, device and App Store requirement.
Ready to launch your iOS app?
Speak with our London iOS developers about a premium iPhone app that delights users, earns great reviews and grows your business.
iOS app expertise across key industries
Hospitality & Leisure
Premium iOS apps for hotels, restaurants and venues with Apple Pay ordering, bookings, wallet passes and loyalty.
- Apple Pay ordering
- Room bookings
- Wallet passes
- Loyalty rewards
- Guest messaging
A London iOS partner focused on quality and commercial results
Design Dev works with startups, premium brands and established businesses that want an iPhone app their customers love. Our iOS developers combine product thinking, Apple-standard design and disciplined engineering to build apps that earn great App Store reviews.Expect clear communication, weekly TestFlight builds, clean Swift code you fully own and a process focused on real results.
150+
Projects delivered
5+
Years experience
UK+
London & worldwide
98%
Client retention
Strategy, design and engineering for brands that need an iOS app that performs.
01
Apple standards first
Designed around Apple's guidelines so your app feels right on iPhone.
02
Built for performance
Fast, stable apps tested on real iPhones and iPads before release.
iOS technologies we work with
Swift
SwiftUI
UIKit
Xcode
Core Data
Combine
Firebase
Apple Pay
StoreKit
HealthKit
TestFlight
App Store Connect
What clients say
Design Dev transformed our e-commerce platform. Their team was efficient, responsive, and delivered a stunning layout that doubled our conversion rate within a month.
Sarah Jenkins
Vauxhall Marketing - Shopify DevelopmentAn absolute pleasure to work with. They understood our brand identity perfectly and designed a clean, user-friendly SaaS platform that our clients love.
David Thorne
FluxGig - UI/UX DesignThe custom WordPress build is super fast and easy for our content editors to update. Outstanding attention to detail and SEO optimization.
Amara K.
Apsara Cosmetics - WordPress DevelopmentThey built a highly custom, secure medical inventory portal on-budget. Their engineering skills are top-tier.
Julian Reed
Upcycled Medical - Web App DevelopmentFrom logo creation to full visual guidelines, Design Dev gave our construction firm a modern and premium corporate look.
Emily Watson
Smart Build UK - Branding & DesignOur organic search traffic increased by 150% in three months. Their SEO team really knows their stuff.
Marcus Sterling
Supra Cycling - Search Engine OptimizationBrands we have worked with
Frequently Asked Questions
Native iOS is best for maximum performance and a premium Apple experience. Cross-platform apps built with Flutter or React Native reach iOS and Android from one codebase. We'll help you decide.
Tell us about your project
Share your goals, timeline and requirements. Our London team will reply with a practical recommendation and estimate.
Development Center
Sialkot, Pakistan
2nd Floor, Yousaf Plaza, Opposite Mazeeo Sadar Bazar, Sialkot Cantt
+92 337 4905 313Project enquiry
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