iOS app development services for apps that feel native, because they are.
Hoop Interactive builds native iOS apps in Swift and SwiftUI for iPhone, iPad, and Apple Watch. Full hardware access, smooth animations, and an App Store submission that doesn't stall on review.
What is iOS app development?
iOS app development is the process of building applications for iPhone, iPad, and Apple Watch using Apple's native tools: Swift, the programming language, and SwiftUI or UIKit, the frameworks that build the interface. A native app compiles directly to code the device runs, instead of going through a translation layer, which gives it full access to the camera, sensors, and system features from day one.
Native development sits at one end of a spectrum of ways to build a mobile app. At the other end sit cross-platform tools such as React Native and Flutter, which share one codebase across iOS and Android, and web-based Progressive Web Apps, which run inside a browser wrapper. Each approach trades something: native gets you the best performance and the fastest access to new iOS features, at the cost of a separate Android codebase.
- Swift + SwiftUI
- Apple’s current language and UI framework, not a wrapper.
- Universal builds
- iPhone, iPad, and Apple Watch from one shared codebase.
- Real-device QA
- Tested on physical hardware, not only the simulator.
- Submission handled
- Screenshots, privacy labels, and review feedback managed.
Native, cross-platform, or PWA?
Three ways to put an app in front of users — and what each one trades away.
| Approach | What it is | Best fit |
|---|---|---|
| Native iOS (Swift) | Built directly for Apple's platform, with full hardware and API access. | Apps needing top performance, complex animation, or day-one access to new iOS features. |
| Cross-platform (React Native, Flutter) | One codebase shared across iOS and Android. | Apps that need both platforms fast, with moderate performance needs. |
| Progressive Web App | A website that behaves like an app, with no App Store listing. | Simple tools that don't need deep device integration. |
Deciding how to build for iOS.
Why the native bar is higher on Apple's platform, and the honest call between native and cross-platform.
Why native matters for iOS specifically
iOS users spend more time in apps and generate higher in-app revenue on average than Android users, which raises the bar for what "good enough" performance looks like. Native Swift apps launch faster, animate more smoothly, and get access to Apple frameworks such as HealthKit, ARKit, and CloudKit the day they ship, not months after a cross-platform bridge catches up.
Native vs. cross-platform: which do you need?
Build native iOS if performance, animation quality, or fast access to new Apple features drives your product. Build cross-platform if you need iOS and Android launched together on a tighter budget and your app's performance needs are moderate.
Why build your app natively on iOS?
Native Swift development gives you the speed, polish, and access to Apple's ecosystem that a cross-platform wrapper can't fully replicate.
Compiles to native code
No cross-platform translation layer sitting between your app and the device.
Same-day access to new APIs
New iOS features and frameworks are usable the day Apple ships them.
Smoother animation, faster loads
Interface performance stays ahead of what hybrid builds deliver.
Deep framework integration
Face ID, HealthKit, ARKit, and CloudKit connect cleanly, not through a bridge.
Follows Apple’s guidelines
Human Interface Guidelines compliance makes the app feel familiar and trusted.
A higher-spending audience
iOS users show stronger engagement and in-app spending on average.
iOS services we offer.
We scope the engagement around your product's actual state — new build, migration, or an existing app that needs work.
iPhone app development
Native apps built in Swift and SwiftUI, designed around Apple's Human Interface Guidelines from the first screen.
iPad & universal apps
Apps that adapt to iPad's larger screen and multitasking model, built from a shared codebase with the iPhone version.
Apple Watch apps
Companion or standalone watchOS apps for notifications, health tracking, and quick-glance interactions.
Objective-C to Swift migration
Rebuilding legacy Objective-C codebases in Swift module by module, without pausing feature development.
App modernization & UIKit to SwiftUI
Migrating older UIKit interfaces to SwiftUI for faster iteration and easier long-term maintenance.
App Store optimization & submission
Screenshots, metadata, and a review-ready build prepared and submitted, with review feedback handled for you.
Signs you need iOS development help.
Four situations send most founders and product leads to us for iOS work.
- 01
Your users are mostly on iPhone
Your analytics or target market skew heavily iOS, and a cross-platform app is delivering a second-rate experience.
- 02
Performance or animation feels off
A hybrid or cross-platform build lags, stutters, or feels noticeably slower than apps your users compare it to.
- 03
You need deep device integration
Your product depends on HealthKit, ARKit, Face ID, or another Apple framework a cross-platform bridge doesn't fully support.
- 04
A legacy Objective-C app needs modernizing
Your current codebase is hard to hire for and slow to update, and needs a path to Swift.
Common iOS development mistakes we help you avoid.
These five mistakes account for most of the delayed or rejected App Store submissions we get asked to fix.
Choosing cross-platform when native was needed
CriticalTeams pick cross-platform for speed, then hit a performance wall a native rebuild could have avoided. We scope the right approach before development starts.
Ignoring Apple's Human Interface Guidelines
HighInterfaces that don't follow platform conventions feel foreign to iOS users and slow down App Store review. We design against the guidelines from day one.
Skipping TestFlight beta testing
HighShipping straight to review without real-device beta testing surfaces bugs after launch, not before. We run a TestFlight beta on every project.
Rushing App Store metadata
CriticalIncomplete privacy labels or unclear screenshots are a leading cause of review rejection. We prepare submission materials as a dedicated step, not an afterthought.
No plan for push notifications and permissions
MediumApps that request every permission on first launch get uninstalled fast. We request access only when the feature needs it, with clear context.
How we build your iOS app.
Six stages, from first call to a live App Store listing. We work in weekly sprints with a demo every Friday.
Discovery & feature scoping
We define your core user, the features that matter, and which Apple frameworks the app actually needs.
2–3 weeks · DiscoveryUI/UX design (HIG)
We design the interface against Apple's design standards, so it feels native from the first screen.
2–3 weeks · DesignSwift & SwiftUI development
We build in one-week sprints with a working demo every Friday, on real devices, not only the simulator.
4–28 weeks · DevelopmentQA & TestFlight beta
We test on real devices and run a TestFlight beta with real users before submitting to Apple.
2–3 weeks · QAApp Store submission
We prepare screenshots, metadata, and privacy labels, then submit and respond to any review feedback.
1–2 weeks · SubmissionLaunch & post-launch support
We monitor crash reports and reviews after launch and hand over a documented, commented codebase.
Ongoing · SupportiOS app development cost and timeline.
Three factors drive the price: screen count, backend requirements, and third-party integrations. The $99/year Apple Developer Program fee is billed separately by Apple.
- Investment
- $15,000–$40,000
- Timeline
- 2–4 months
- Screens
- 5–10, one workflow
- Included
- Auth & local storage
- Integrations
- 1–2 third-party
- Investment
- $40,000–$120,000
- Timeline
- 4–8 months
- Scope
- Backend, login, payments
- Data
- API-based sync
- Integrations
- 3–6 third-party
- Investment
- $120,000–$300,000+
- Timeline
- 8–12+ months
- Features
- Real-time, complex logic
- Frameworks
- HealthKit · ARKit · CloudKit
- Compliance
- HIPAA · PCI DSS
The technology behind your iOS app.
Apple's native tools, chosen for performance and long-term platform support.
Swift
Firebase
Node.js (backend)
TestFlight
Fastlane
GitHub ActionsWays to work with us.
Pick the model that fits your project and team. All four include weekly demos and full code ownership.
Fixed-Scope Project
A defined feature set, timeline, and price agreed before we start. You know the exact cost up front.
Best for fixed budgetsDedicated Team
iOS engineers and a designer working as an extension of your team through launch and beyond.
Best for ongoing productsStaff Augmentation
A senior iOS developer added to your existing team to close a skills gap or add build capacity.
Best for existing teamsMaintenance Retainer
Ongoing iOS version updates, bug fixes, and feature work for an app already live, billed monthly.
Best for live appsEvery iOS build comes complete.
No hidden gaps. Each engagement includes everything you need to launch and maintain the app.
- Feature scoping
- A clear screen list and technical plan before we write code.
- HIG-compliant design
- An interface designed against Apple's Human Interface Guidelines.
- Native Swift development
- Full-stack app code built for performance from the first commit.
- Real-device testing
- QA on physical iPhones and iPads, not only the simulator.
- TestFlight beta
- Real-user testing before the app goes to App Store review.
- App Store submission
- Screenshots, metadata, and privacy labels prepared and submitted.
- Crash & analytics setup
- Monitoring wired in before launch, not added after problems appear.
- Documented handover
- Clean, commented code and a repository you own outright.
iOS apps we build across every sector.
The process stays the same. The core workflow we scope changes by industry.
Health & Fitness
HealthKit-integrated tracking, coaching, and wellness apps.
Fintech
Secure payment, budgeting, and banking apps with biometric auth.
Ecommerce & Retail
Native shopping apps with fast checkout and push-driven engagement.
Media & Entertainment
Streaming, content, and social apps built for smooth scrolling.
SaaS & Productivity
Companion apps extending a web platform to iPhone and iPad.
Travel & Hospitality
Booking and itinerary apps with location and calendar integration.
Education
Course and learning apps with offline access and progress tracking.
Real Estate
Listing apps with map integration and saved-search notifications.
Explore more software services.
iOS app development is one of twelve engineering areas we cover, under Mobile Apps.
Mobile App Development
Native and cross-platform apps across both major platforms.
ExploreAndroid App Development
Native Kotlin and Jetpack Compose builds for the Android ecosystem.
ExploreReact Native Development
One codebase shipping to iOS and Android together.
ExploreFlutter Development
Google's cross-platform toolkit for natively compiled apps.
ExploreMVP Development
A lean first build that tests your idea with real users in weeks.
ExploreWeb Design & UX
Interface and user-journey design for products people return to.
ExploreAPI & Integrations
REST and GraphQL backends your app consumes.
ExploreNode.js Development
Scalable backends and real-time features behind mobile apps.
ExploreiOS app development questions
The questions founders and product leads ask us most before starting an iOS build.
Native iOS development performs better for apps that need deep hardware access, complex animations, or the fastest possible speed, since Swift compiles directly to code the device runs without a translation layer. Cross-platform tools such as React Native or Flutter work well when you need iOS and Android from one codebase and performance requirements are moderate.
iOS app development costs $15,000 to $300,000 or more, depending on complexity. A basic app costs $15,000 to $40,000, a mid-complexity app with backend and payments costs $40,000 to $120,000, and a complex or enterprise app costs $120,000 to $300,000 or more.
Building an iOS app takes 2 to 12 months or more. A basic app takes 2 to 4 months, a mid-complexity app takes 4 to 8 months, and a complex or enterprise app takes 8 to 12 months or longer.
Swift is Apple's programming language for iOS, macOS, watchOS, and tvOS development. SwiftUI is a declarative framework built with Swift for constructing user interfaces, used alongside or instead of the older UIKit framework.
Yes. We migrate legacy Objective-C codebases to Swift module by module, so the app stays functional and shippable throughout the transition.
Yes. We prepare screenshots, metadata, privacy labels, and a review-ready build, then manage the submission and respond to any App Store review feedback.
Yes. We build universal apps that support iPhone, iPad, and Apple Watch from a shared codebase, adapting the interface to each device's screen and interaction model.
Yes. You own 100% of the source code and intellectual property, delivered in a documented, ready-to-hand-over repository.
Yes. We offer maintenance retainers covering iOS version updates, bug fixes, and new feature development after your app goes live.
The Apple Developer Program costs $99 per year, paid directly to Apple, and is required to publish any app on the App Store. This fee is separate from development cost.
Yes. We sign an NDA before the discovery call, before you share any product or business details with us.
We build against the two most recent major iOS versions by default, which covers the vast majority of active devices, and support older versions when your user base requires it.