Rayo Innovations
iPhone App Development

iPhone App Development

Apple's platform rewards apps that are fast, polished and built with care. Our iOS team builds Swift applications that feel native because they are — not wrapped web views, not React Native with a thin veneer. Real iOS, built right.

Why Native iOS?

Native iOS development in Swift gives you access to the full power of Apple's platform — the latest APIs, the smoothest animations, the deepest hardware integrations. Users who pay for iPhones have high expectations. A native app meets them. A wrapped web app rarely does.

Apple's ecosystem is tightly integrated. We help you leverage that integration — from Haptic Touch and FaceID to iCloud sync, Widgets and App Clips. When you want an app that is fast, secure and follows Apple's Human Interface Guidelines to the letter, native Swift is the answer.

What We Build for iOS

    The iPhone isn't just a device; it's a standard. iOS users expect a level of polish, fluidity and intuitive design that is unique to the Apple ecosystem. We build native iOS applications in Swift that feel exactly like they belong on a premium device.

  • Consumer utility apps and tools
  • Business and enterprise apps with complex data requirements
  • E-commerce and marketplace apps
  • Health and fitness tracking apps
  • Location-based and mapping apps
  • Media and content apps
  • Apps with hardware integrations (camera, Bluetooth, NFC, HealthKit)

Our iOS Development Standards

Swift and SwiftUI by Default

We write modern Swift with SwiftUI for new projects. Where UIKit is required for specific functionality or to support older iOS versions, we use it. We don't use Objective-C for new development.

App Architecture

We follow established iOS architecture patterns — MVVM, Clean Architecture, or the coordinator pattern depending on app complexity. Well-structured iOS code is maintainable, testable and easier to hand over to your internal team if needed.

Testing

Unit tests, UI tests and integration tests are part of our development process, not an afterthought. We also test on a range of real devices — not just the latest iPhone — because your users have a range of hardware.

App Store Submission

We handle the App Store Connect setup, metadata, screenshots, app review communication and post-rejection fixes. We know what triggers app review rejections and how to avoid them.

Technologies We Master

Engineered for performance & reliability

Language & UI

  • Swift 5.x
  • SwiftUI

Development Tools

  • Xcode
  • Instruments

Data & Storage

  • Core Data
  • CloudKit

Device Capabilities

  • Core Location & MapKit
  • AVFoundation for Media

Store Features

  • StoreKit
  • In-App Purchases

Analytics & Health

  • Firebase
  • Crash Reporting

Frequently Asked Questions

Clear answers to common questions about our iOS app development process.

Which iOS versions do you support?

We typically support the last three major iOS versions, covering 95%+ of active iPhone users. If you have specific requirements, we can adjust the minimum version target accordingly.

Can you add Apple Pay or in-app purchases to our app?

Yes. We have experience implementing both StoreKit for in-app purchases and Apple Pay for one-tap payments. We handle the full setup including App Store Connect configuration.

Do you handle the App Store submission process?

Yes. Apple's review process can be strict. We handle the entire submission, including metadata, screenshots, privacy declarations and communication with Apple reviewers if any issues arise. We ensure your app meets all guidelines before we even hit the submit button.

Ready to Build for the App Store?

Partner with Rayo to build an iOS app that meets Apple's highest standards and connects with your users.