iOS App Development
Apple reports 1.8 billion active devices in its ecosystem. App369 builds native iOS applications with Swift and SwiftUI that leverage the full power of iPhone, iPad, and Apple Watch — delivering premium experiences for the platform where users spend 2.5x more on in-app purchases (Sensor Tower).
Mobile, web, UX, consulting, and AI delivery under one product engineering team.
Full-stack product delivery across mobile, web, UX, consulting, and AI.
iOS Development Services
Native Swift Development
High-performance iOS applications built with Swift 5 and modern Apple frameworks. Swift is Apple's official language that delivers C-level performance with memory safety. We build apps that fully leverage Apple's hardware capabilities including Face ID, LiDAR, and the Neural Engine.
SwiftUI Interfaces
Declarative UI development with SwiftUI for faster iteration and pixel-perfect interfaces. SwiftUI provides live previews in Xcode, adaptive layouts that work across iPhone, iPad, and Apple Watch, and built-in accessibility support.
App Store Optimization
According to Apple, over 650 million people visit the App Store weekly. Our ASO strategies maximize your app's visibility through keyword optimization, compelling screenshots, A/B tested descriptions, and review management to drive organic downloads.
Apple Watch Apps
Companion and standalone watchOS applications built with SwiftUI and WatchKit. We leverage health sensors, complications, and notifications to extend your app experience to the wrist — reaching the 100+ million Apple Watch users worldwide.
iPad & Universal Apps
Optimized iPad experiences that take advantage of larger screens with multi-column layouts, drag and drop, Apple Pencil support, and Stage Manager compatibility. Universal apps that adapt automatically across all Apple device sizes.
App Clips
Lightweight App Clips under 15MB that let users experience your app instantly without downloading. Triggered via NFC tags, QR codes, or Safari, App Clips drive conversions by lowering the barrier to engagement with your full app.
Our Process
Discovery & Planning
We analyze your business requirements, target audience, and iOS-specific opportunities like Apple Watch, iPad, and App Clips to create a comprehensive development plan with wireframes and architecture decisions.
UI/UX Design
Our designers create interfaces following Apple's Human Interface Guidelines in Figma, leveraging iOS-native patterns like tab bars, navigation controllers, and SF Symbols for an intuitive experience.
Swift Development
Our iOS developers build your app using Swift, SwiftUI, and UIKit with clean MVVM architecture. We integrate Apple frameworks like Core Data, CloudKit, and HealthKit as needed.
Testing & QA
Rigorous testing using XCTest for unit and UI tests, TestFlight for beta distribution, and manual QA across iPhone and iPad device sizes to ensure flawless performance and accessibility.
App Store Submission
We prepare all App Store assets, write ASO-optimized descriptions, configure App Store Connect metadata, and manage the Apple review process to ensure successful first-submission approval.
Maintenance & Updates
Ongoing support including iOS version compatibility updates, security patches, performance optimization, App Store Connect analytics review, and feature enhancements.
Frequently Asked Questions
How much does it cost to develop an iOS app?
According to Clutch's 2024 App Development Survey, native iOS app development costs range from $30,000 to $300,000 depending on complexity. Simple apps with basic features cost $25,000-$60,000, mid-complexity apps with backend integration and real-time features run $60,000-$150,000, and enterprise-grade iOS applications can exceed $200,000. For projects targeting both iOS and Android, Flutter cross-platform development can reduce total costs by 30-40%.
How long does it take to develop an iOS app?
According to GoodFirms research, native iOS app development takes 3-9 months depending on complexity. Simple apps take 2-3 months, medium-complexity apps with CloudKit integration and push notifications require 3-6 months, and complex enterprise applications with custom frameworks and advanced features can take 6-12 months. Apple's annual iOS updates also require compatibility testing, which App369 includes in the development timeline.
Should I choose Swift or Flutter for my iOS app?
According to Apple's developer documentation, Swift provides the deepest integration with iOS APIs and delivers the best native performance. Choose Swift if your app is iOS-only and requires advanced Apple-specific features like ARKit, HealthKit, or CarPlay. Choose Flutter if you need to target both iOS and Android from a single codebase to reduce costs by 30-40%. App369 specializes in both approaches and can recommend the best fit during a free consultation.
What is the App Store submission process?
According to Apple, 40% of apps are rejected on first submission due to guideline violations. The process involves enrolling in the Apple Developer Program ($99/year), preparing app metadata and screenshots, configuring App Store Connect, uploading the build via Xcode, and passing Apple's review (typically 24-48 hours). App369 handles this entire process, ensuring compliance with Apple's Human Interface Guidelines and App Store Review Guidelines.
How much does iOS app maintenance cost?
According to Gartner, organizations should budget 15-20% of initial development cost annually for app maintenance. iOS maintenance includes compatibility updates for new iOS versions released annually, security patches, bug fixes, performance monitoring, and the $99/year Apple Developer Program fee. App369 provides maintenance packages that include CI/CD pipeline management, automated testing, and Firebase Crashlytics monitoring.
What are Apple developer account requirements?
According to Apple's developer documentation, you need an Apple Developer Program membership ($99/year for individuals, $299/year for organizations). Organizations require a D-U-N-S Number from Dun & Bradstreet. The account provides access to beta OS releases, TestFlight for beta distribution (up to 10,000 testers), App Store Connect for managing submissions, and App Analytics for tracking downloads and engagement.
Reach 1.8 Billion Apple Users
iOS users generate the highest in-app revenue of any mobile platform. Whether you need a native Swift app or a cross-platform Flutter solution, get a free consultation and detailed estimate within 2 business hours.