Swift Development Services
Native iOS & Apple Platform Apps
Native iOS, watchOS, and tvOS applications built by senior engineers who understand Apple's platform deeply, not just its syntax.
Trusted by engineering teams at
Procedure is a Swift development company that builds native iOS applications, watchOS extensions, and Apple ecosystem integrations for products where platform-native performance and App Store optimization are hard requirements. Since 2016, Procedure has shipped Swift applications in fintech, media, and consumer verticals for clients including ESPN and Timely. For teams that need both iOS and Android from a single codebase, we evaluate cross-platform alternatives including React Native and Flutter.
Swift Development Track Record
Why Swift for Your Business
Native iOS performance for products where the Apple experience matters.
Best iOS Performance
Swift compiles to native machine code, delivering the fastest possible execution on iPhone, iPad, and Apple Watch. For media-heavy apps, AR features, and real-time processing, no cross-platform framework matches Swift's speed.
First Access to Apple APIs
SwiftUI, ARKit, CoreML, HealthKit, and every new Apple framework ships Swift-first. Your product accesses new iOS capabilities on launch day, not weeks later when wrapper libraries catch up.
Memory Safety
Swift's ARC memory management and optional types eliminate entire categories of crashes. Apps built in Swift have measurably lower crash rates, which directly impacts App Store ranking and user retention.
App Store Optimization
Native Swift apps launch faster, consume less battery, and feel responsive in ways Apple's review team notices. Apple features native apps more prominently, giving your product better discovery.
Cross-platform When Needed
Swift excels for iOS-first products. When your roadmap requires Android, teams can add React Native or Flutter for the cross-platform layer while keeping Swift for performance-critical iOS features.
Swift Development Services
Native iOS, watchOS, tvOS apps, and Apple platform engineering.
Native iOS Development with Swift
Production iOS applications built with Swift 6, SwiftUI, and modern Apple frameworks. MVVM architecture, async/await concurrency, and accessibility built in from the start. Apps that pass App Store review on the first submission and perform well on both current and older iPhones.
SwiftUI & UIKit Development
SwiftUI for new features and screens. UIKit when you need fine-grained control or are working within an existing codebase. We know when each is the right choice and how to combine them in the same project. SwiftUI's declarative model speeds development by 30-40% for standard UI patterns.
Swift watchOS & tvOS Apps
Swift companion apps for Apple Watch and Apple TV that extend your iOS app's value. WatchKit and SwiftUI for watchOS, TVUIKit and focus-based navigation for tvOS. Shared business logic with your iOS app through Swift packages to avoid duplicating code across platforms.
iOS App Modernization (Objective-C to Swift)
Migrate Objective-C codebases to Swift incrementally. Refactor UIKit apps to SwiftUI. Update architectures from MVC to MVVM with Combine or async/await. Swift and Objective-C interoperate fully, so migration happens screen by screen without breaking the build. Most modernization projects complete in 3-6 months.
Swift Backend (Vapor)
Server-side Swift using Vapor for teams that want a unified language across iOS and backend. REST APIs, WebSocket services, and database integrations. Best suited for teams where iOS engineers also own backend services and want to share models and validation logic between client and server.
Swift App Clips & WidgetKit Development
App Clips for lightweight, instant experiences without a full install. WidgetKit for home screen and Lock Screen widgets that keep your app present in users' daily routine. Live Activities for real-time updates on the Lock Screen and Dynamic Island. These features increase engagement without requiring users to open the full app.
Industries We Build Swift Apps For
Domain knowledge that accelerates delivery and reduces risk.
Financial Services & Fintech
iOS banking apps, Apple Pay integrations, and investment portfolio trackers. Swift's memory safety and Keychain APIs deliver secure financial experiences with biometric authentication.
SaaS & Technology
Native iOS companion apps, macOS desktop tools, and Apple Watch extensions. SwiftUI enables rapid development across Apple platforms with shared business logic via Swift packages.
Healthcare & Life Sciences
Patient iOS apps, HealthKit integrations, and clinical trial data collection tools. Swift's CryptoKit and App Transport Security enforce HIPAA-compliant data handling on Apple devices.
Education & EdTech
iPad learning apps, classroom management tools, and interactive textbooks. Swift Playgrounds and ARKit power immersive educational experiences on Apple's education-focused hardware.
Travel & Hospitality
iOS booking apps, digital room keys via NFC, and Apple Wallet boarding passes. Core Location and MapKit deliver context-aware travel experiences with offline map support.
Media & Entertainment
Streaming apps with AVFoundation, content creation tools, and social media clients. Swift's performance and Metal framework integration handle media-rich experiences at 120fps.
Is Swift Right for Your Project?
Apple's language. Unmatched on Apple platforms. Limited beyond them.
iOS and macOS applications with native performance
Swift compiles to native ARM code with zero runtime overhead. Metal for GPU access, Core ML for on-device AI, ARKit for augmented reality. No cross-platform layer sits between your code and the hardware.
Apps requiring deep Apple ecosystem integration
HealthKit, HomeKit, CarPlay, watchOS, visionOS. Apple's frameworks are Swift-first. If your app needs tight integration with Apple hardware and services, Swift is the only production-grade option.
High-performance, low-latency user experiences
SwiftUI with async/await delivers smooth 120fps animations on ProMotion displays. Instruments and Xcode profiling tools catch performance issues before users do.
Teams committed to Apple platforms for the long term
Apple invests heavily in Swift. Every WWDC brings new APIs, and they're all Swift-first. Building native gives you day-one access to new platform features without waiting for framework bindings.
If you need Android alongside iOS, Kotlin (with Kotlin Multiplatform for shared logic) or cross-platform frameworks like React Native and Flutter reduce duplication. Swift on the server exists but hasn't reached the maturity of Node.js, Go, or Java for backend workloads. We help teams decide where native Swift pays off and where cross-platform makes more sense.
Swift vs React Native vs Flutter: When You Need What
We build with all three. Here's how we decide.
Swift (iOS native)
Best for
iOS-exclusive apps, deep Apple platform integration, performance-critical experiences, apps targeting visionOS/watchOS/CarPlay
Why
Compiles to native ARM with zero abstraction overhead. SwiftUI and UIKit give you full access to every Apple API. Day-one support for new iOS features at every WWDC. No cross-platform framework can match this level of platform integration.
We use it when
Your app is iOS-only (or Apple ecosystem-only), requires deep hardware integration (AR, health sensors, car), or needs to ship new Apple platform features on launch day.
React Native (JavaScript/TypeScript)
Best for
iOS + Android from one team, JavaScript-native teams, code sharing with React web apps, budget-conscious projects
Why
One codebase targeting both platforms. React developers can ship mobile without learning new languages. New Architecture delivers near-native performance. Over-the-air updates skip App Store review cycles for non-native changes.
We use it when
You need both platforms and don't want to maintain two native codebases, your team is JavaScript-first, or you want to share UI components and business logic between web and mobile.
Flutter (Dart)
Best for
Pixel-perfect custom UI on both platforms, animation-heavy apps, mobile + web + desktop from one codebase
Why
Flutter renders every pixel itself via Impeller. Complete control over visual design without platform constraints. One codebase targeting iOS, Android, web, macOS, Windows, and Linux. Growing talent pool and strong Google backing.
We use it when
Custom UI and brand consistency across platforms is the top priority, you're building for mobile plus web plus desktop from one codebase, or your team is open to Dart.
Native Swift gives you the best iOS experience at the cost of iOS-only reach. Cross-platform frameworks trade some platform depth for broader coverage. For Android-native alongside Swift iOS, pair with Kotlin and consider Kotlin Multiplatform to share business logic. We help teams weigh platform depth against development velocity based on their actual product requirements.
Our Approach to Swift Development
We build iOS apps that leverage the Apple ecosystem, not fight against it.
Platform-Native, Not Platform-Agnostic
Apple designs its platforms as integrated systems. We build apps that take advantage of that: Handoff between iPhone and Mac, Siri Shortcuts for voice access, WidgetKit for home screen presence, and SharePlay for collaborative features. These integrations turn a good app into one users rely on daily.
SwiftUI Where It Fits
SwiftUI is the future of Apple UI development. We adopt it aggressively for new projects and new screens in existing apps. But we are pragmatic: some patterns still work better in UIKit, and forcing SwiftUI into every corner creates worse outcomes. We choose the right tool per screen.
Swift Concurrency Done Right
Swift 6's strict concurrency model eliminates entire categories of bugs. We adopt actors, sendable types, and structured concurrency from day one. The code compiles with strict concurrency checking enabled, not just in permissive mode. This catches threading issues at build time instead of 3 AM production crashes.
Swift Accessibility as Default
VoiceOver, Dynamic Type, and high-contrast support are not afterthoughts. SwiftUI makes many accessibility features automatic, but proper implementation still requires intentional design: meaningful labels, logical navigation order, and appropriate semantic groupings.
Swift Projects Built for Your Team to Own
Every iOS project ships with clean architecture, documented decisions, CI/CD pipelines (Xcode Cloud or GitHub Actions), and fastlane scripts. Your team takes full ownership. No proprietary tools, no hidden dependencies, no lock-in.
From Concept to App Store
Working software every sprint, not just progress updates.
Discovery & Architecture (1-2 weeks)
Define screens, user flows, and technical approach. Choose between SwiftUI-first or UIKit-based architecture. If you have an existing app, we audit the codebase and identify modernization priorities. Deliverable: technical spec, architecture diagram, and Figma wireframes.
Design System & Component Library (1-2 weeks)
Build a custom SwiftUI component library that implements your brand's design language. SF Symbols integration, Dynamic Type support, and dark mode from the start. Components tested in isolation with SwiftUI Previews and snapshot tests.
Swift Development & Iteration (6-16 weeks)
Sprint-based Swift development with TestFlight builds for real-device testing throughout. Weekly demos. SwiftUI Previews and hot reload keep feedback loops tight. Internal builds distributed via TestFlight to stakeholders for continuous validation.
QA, Performance & Launch (1-2 weeks)
Testing across iPhone, iPad, and target Apple platforms. UI tests, performance profiling with Instruments (Time Profiler, Memory Graph), and accessibility audits. App Store submission with optimized metadata, screenshots, and App Store Connect configuration.
Post-Launch & Swift App Maintenance
Bug fixes, iOS/watchOS compatibility updates, feature development, and App Store policy compliance. Ongoing monitoring with crash analytics. App Store review management for updates.
Our Swift Stack
Every tool earns its place. Here’s what we ship with.
| Layer | What We Use |
|---|---|
| Language | Swift 6, strict concurrency |
| UI Framework | SwiftUI, UIKit |
| Architecture | MVVM, TCA, Clean Architecture |
| Package Manager | Swift Package Manager |
| Networking | URLSession, Alamofire, async/await |
| Local Storage | Core Data, SwiftData, UserDefaults |
| Testing | XCTest, Swift Testing, snapshot tests |
| watchOS | WatchKit, HealthKit, ClockKit |
| CI/CD | Xcode Cloud, Fastlane, GitHub Actions |
| Distribution | App Store, TestFlight, Enterprise |
| Monitoring | Sentry, Firebase Crashlytics |
| Accessibility | VoiceOver, Dynamic Type, SwiftUI accessibility modifiers |
SwiftUI is the default for new iOS projects. We drop into UIKit when SwiftUI hits its limits - complex collection views, custom transitions, or legacy codebases. Swift 6 strict concurrency catches data races at compile time, which matters more than most teams realize.
Testimonials
Trusted by Engineering Leaders
“What started with one engineer nearly three years ago has grown into a team of five, each fully owning their deliverables. They've taken on critical core roles across teams. We're extremely pleased with the commitment and engagement they bring.”
“We've worked with Procedure across our portfolio, and the experience has been exceptional. They consistently deliver on every promise and adapt quickly to shifting project needs. We wholeheartedly recommend them for anyone seeking a reliable development partner.”
“Procedure has been our partner from inception through rapid growth. Their engineers are exceptionally talented and have proven essential to building out our engineering capacity. The leadership have been thought partners on key engineering decisions. Couldn't recommend them more highly!”
“What started with one engineer nearly three years ago has grown into a team of five, each fully owning their deliverables. They've taken on critical core roles across teams. We're extremely pleased with the commitment and engagement they bring.”
Let's Talk About Your App
Whether it’s a new iOS app, Objective-C migration, or expanding to watchOS/tvOS, we’re happy to talk through your situation.
Schedule a CallNo sales pitch. Just an honest conversation.
What you get
- Engineers with 3+ years of production Swift and SwiftUI
- Native iOS expertise with support for watchOS, tvOS, and App Clips
- Backend integration skills (Node.js, Python, Firebase, Supabase)
- India-based, 4-5 hours of US timezone overlap (EST/PST)
- Direct communication with engineers, not through project managers
Hire Swift Developers
Senior iOS engineers with deep Apple platform expertise and production experience.
Dedicated Developer
Full-time on your project, integrated into your team. Engineers proficient in Swift 6, SwiftUI, UIKit, and modern Apple platform APIs. Deep understanding of App Store guidelines and review processes.
Ongoing iOS development, 3-month minimum engagement
Team Pod (2-4 Engineers + Lead)
iOS + backend + QA for a complete mobile team. Architecture, implementation, testing, and App Store deployment covered.
Full product ownership, 6-month minimum engagement
Project-Based Delivery
Fixed scope, milestone-based delivery. Defined specs, agreed milestones, and transparent pricing.
Defined scope with clear deliverables, scope-dependent
Starting at $3,500/month per developer for full-time dedicated engagement.
Talk to Us About Your TeamReady to Discuss Your
Swift Development Services Project?
Tell us about your iOS project. Whether it's a new app, migrating from Objective-C, or expanding to watchOS/tvOS, we'll discuss architecture and give honest next steps.
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Swift Development FAQ
Swift iOS app development costs vary by complexity. Simple apps with standard UI run $15,000 to $40,000. Mid-complexity apps (e-commerce, social, data-heavy) range from $40,000 to $120,000. Enterprise iOS apps with offline support, SSO, compliance features, and Apple Watch companion apps run $120,000 to $350,000+. Dedicated Swift developer hiring starts at $3,500/month. Final cost depends on features, integrations, and Apple platform targets.