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Mobile apps

iOS app development for iPhone and iPad

Hostlyx offers iOS app development in Swift and SwiftUI for iPhone and iPad. We design to Apple guidelines, share test builds through TestFlight, prepare the App Store listing and privacy details, and handle App Store review under your own developer account. The same team builds and hosts the backend, and you get a fixed written quote first.

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An iPhone app is judged against the apps Apple ships itself, so it has to feel right: native navigation, smooth scrolling, Dynamic Type, dark mode and proper support for different screen sizes. We build iOS apps in Swift and SwiftUI, Apple's own language and interface framework, so the app behaves the way iPhone users expect.

Native iOS is the right choice when the app depends on things Apple does best: Apple Pay, HealthKit, widgets, Sign in with Apple, background location or tight camera work. It also suits markets where most of your customers carry iPhones, such as many UK, US and Australian consumer audiences, or where the app is a premium product in its own right.

Getting through App Store review is part of the job, not an afterthought. We prepare privacy labels, permission prompts and review notes, share builds with you through TestFlight, and deal with any feedback from Apple until the app is approved. After launch we keep it current as each new iOS version and new iPhone arrives, so it never starts to look dated.

What is included

Swift and SwiftUI build

A modern native codebase in Swift and SwiftUI, structured so another iOS developer can read it, extend it and keep it current with each new iOS release.

iPhone and iPad layouts

Screens that adapt to every current iPhone size and, where it helps, a proper iPad layout with split views rather than a stretched phone app.

Apple platform features

Apple Pay, Sign in with Apple, push notifications, widgets, HealthKit or Core Location, added where they genuinely help your users rather than for show.

TestFlight beta testing

Regular builds sent to you and your testers through TestFlight, so you can use the app on your own iPhone and give feedback while it is being built.

App Store submission

Listing copy, screenshots, privacy nutrition labels and review notes prepared and submitted under your developer account, with any reviewer questions answered by us.

Backend and hosting

The API, database and admin panel your iOS app relies on, built and hosted by the same team so app and server are changed together.

Tools and platforms: Swift, SwiftUI, UIKit, Xcode, TestFlight, App Store Connect, Core Data, Apple Push Notification service, StoreKit

Packages

Every project is quoted in writing in GBP before work starts, and invoiced by Zorixo Ventures Ltd. The price you agree is the price you pay.

iPhone app

Businesses launching a focused iPhone app with a simple backend.

  • SwiftUI interface design
  • Core features on iPhone
  • User accounts and push notifications
  • TestFlight builds
  • App Store submission
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iPhone and iPad

Apps that need to work well on both iPhone and iPad.

  • Adaptive iPhone and iPad layouts
  • Apple Pay or Sign in with Apple
  • Backend API and admin panel
  • Backend hosting with backups
  • App Store listing and review handling
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iOS platform

Products using deeper Apple frameworks or extending an existing iOS app.

  • Widgets, HealthKit or background work
  • Offline storage and sync
  • Integration with existing systems
  • Crash reporting and analytics
  • Updates for each new iOS version
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How we work

  1. Scope and quote

    We agree the screens, Apple features and backend needs, then send a fixed written quote covering everything in scope before work starts.

  2. Design to Apple guidelines

    Screen designs follow Apple's Human Interface Guidelines, so navigation, typography and gestures feel familiar to iPhone users from the first tap.

  3. Build with TestFlight

    We build in Swift and SwiftUI and send TestFlight builds as features land, so you test on your own device throughout.

  4. App Store review

    We submit the app with privacy labels and reviewer notes, then respond to any Apple feedback until the app is approved and live.

  5. Keep it current

    Each year Apple releases a new iOS. We test the app against it and ship the updates needed to keep it working well.

Questions people ask

How much does iOS app development cost?

Cost depends on the number of screens, whether you need iPad as well as iPhone, Apple features such as Apple Pay or HealthKit, and the backend and admin panel. We hold a scoping call, then send a fixed written quote that lists every feature included, so there are no surprises later.

Do I need a Mac or an Apple developer account to get an iOS app?

You do not need a Mac; we build on ours. You do need an Apple Developer Program membership in your company's name so the app is published under your account. We guide you through enrolling and then manage submission for you.

What if Apple rejects my app?

Rejections are common and usually fixable. We prepare privacy details and review notes to avoid the usual reasons, and if Apple raises an issue we make the change or reply to the reviewer until the app is approved. That work is part of the project.

Should I build iOS only, or iOS and Android together?

If your users are mostly on iPhone, launching on iOS first is reasonable. If you need both stores from day one, a cross-platform build in Flutter or React Native is often more economical. We look at your audience and features and recommend one approach.

Can you host the backend for my iOS app?

Yes. We build the API, database and admin panel and host them on our servers with SSL and backups. The iOS app and its server are maintained by one team, so updates to both are planned and released together.

Related services

Mobile app development: iOS, Android and the backend behind them

iOS and Android apps, plus the backend, admin panel and hosting behind them.

Android app development in Kotlin and Jetpack Compose

Native Kotlin apps that run well on budget phones and flagships alike.

Flutter app development: one codebase, both app stores

One Dart codebase that ships your app to iPhone and Android together.

Managed VPS hosting

A VPS gives your site or app its own CPU, memory and storage instead of sharing them.

React Native app development with TypeScript and Expo

TypeScript and Expo apps that share logic with your React web app.

Tell us what you need

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