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iOS Development

iOS Apps Built the Way Apple Expects Them to Be Built

iPhone and iPad applications in Swift and SwiftUI, built to Apple's Human Interface Guidelines and review requirements, with the widgets, offline behaviour and ecosystem integration users on iOS assume.

What does iOS app development involve?

iOS app development is the building of applications for iPhone and iPad using Swift and SwiftUI or UIKit, distributed through the App Store or an enterprise channel. It includes interface work to Apple's Human Interface Guidelines, integration with platform capabilities such as Face ID, HealthKit, widgets and push notifications, offline persistence, App Store Connect setup, and passing Apple's review process. Anviam builds native iOS apps in Swift and handles submission and review end to end.

Language
Swift 6, SwiftUI and UIKit
MVP timeline
8–12 weeks
Minimum iOS
Typically current and two prior versions
Distribution
App Store, TestFlight or MDM
Review handling
Submission and resubmission included
Devices tested
iPhone SE through Pro Max, plus iPad
Mobile app development across iOS and Android devices
Platform Conventions

iOS Users Notice When an App Is Not Really an iOS App

The iOS audience is unusually sensitive to platform convention. Navigation that ignores the back-swipe gesture, sheets that behave like Android dialogs, type that does not respond to Dynamic Type settings, a tab bar that fights the home indicator: none of it is a functional bug, and all of it reads as cheap. On a platform where users spend more per head than anywhere else, that impression has commercial consequences.

So we build to the Human Interface Guidelines rather than translating a design made for another platform. That means SwiftUI where it fits and UIKit where control is needed, Dynamic Type and VoiceOver support treated as requirements, dark mode from the start, and behaviour verified on the small screens people actually still use. It also means designing for App Review from the beginning, because most rejections are predictable and therefore avoidable.

What We Build

iOS Development Services

iPad & Universal Apps

Layouts that genuinely use the larger canvas, including split view, multitasking and keyboard support.

Widgets & App Intents

Home screen and Lock Screen widgets, Shortcuts support and App Intents for Siri integration.

Face ID & Secure Storage

Biometric authentication and Keychain-backed credential storage for apps handling sensitive data.

HealthKit & Framework Integration

HealthKit, MapKit, ARKit, StoreKit and CoreML integration where the product genuinely needs it.

App Store Submission

App Store Connect setup, privacy manifests, listing assets, review handling and phased release.

Tooling

The Apple Stack We Work In

Swift 6 SwiftUI UIKit SwiftData & Core Data Combine & async/await XCTest & XCUITest Xcode Cloud & Fastlane TestFlight
Where iOS Comes First

Projects Where We Recommend Starting With iOS

Premium & Subscription Products

Higher willingness to pay on iOS makes it the sensible first platform for subscription products.

Health & Fitness Apps

HealthKit access and Apple Watch pairing give iOS capability Android cannot match directly.

Camera & AR Products

Consistent hardware and mature ARKit tooling make complex camera work more predictable on iOS.

Enterprise Field Apps

Standardised corporate iPhone and iPad fleets distributed through MDM rather than public stores.

US & UK Consumer Apps

iOS share in these markets makes it the higher-return first launch for consumer products.

Apple Watch Companions

Wrist-first experiences for tracking, notifications and quick actions alongside the phone app.

Our Process

How an iOS Engagement Runs

1

Scope & Capability Review

We map features to Apple frameworks and flag anything that will attract extra App Review scrutiny.

2

HIG-Aligned Design

Interface design to Apple conventions, with Dynamic Type, dark mode and accessibility planned in.

3

Swift Development

Sprint-based build with a TestFlight distribution every sprint for stakeholder review.

4

Device & Accessibility QA

Testing across screen sizes and OS versions, including VoiceOver and Dynamic Type at large settings.

5

Submission & Phased Release

Privacy manifests, listing assets, review handling and a phased rollout with crash monitoring.

FAQ

Common Questions About iOS App Development

If budget forces a choice and your market is the US, UK, Australia or Western Europe, iOS first usually returns more per pound spent because of higher average revenue per user. If your market is India, Southeast Asia, Latin America or Africa, Android first is clearly correct on reach. If you need both and features do not demand deep hardware access, a cross-platform build with React Native or Flutter is often cheaper than two sequential native builds.

SwiftUI for most new work, UIKit where you need control it does not yet give you. SwiftUI is substantially faster to build in and its accessibility and dark mode support are better by default. UIKit still wins for highly customised collection layouts, complex camera interfaces and precise scroll behaviour. Mixing them in one app is normal and supported, so this is not an all-or-nothing decision.

Usually 24 to 48 hours for a straightforward submission, though it can extend to a week or more for a first submission in a scrutinised category. Health, finance, dating and anything involving children's data get closer review. We prepare submissions against current guidelines to avoid the common rejection causes, and we plan a one-to-two week buffer before any hard launch date.

Yes, and it should be under your organisation, not ours. An Apple Developer Program membership costs 99 US dollars a year and requires a D-U-N-S number for organisation accounts, which can take a week or two to obtain, so we start that early. We can be added as team members to build and submit, and you retain ownership of the app listing, which matters if you ever change development partner.

Yes, and incrementally rather than all at once. Swift and Objective-C interoperate, so the practical approach is to add new features in Swift and convert existing modules when they need changes anyway, prioritising the code that changes most often. A full rewrite is occasionally justified when the app is small or the architecture is the actual problem, but for a large app incremental migration carries far less risk.

Yes. Watch apps make sense when there is a genuine wrist-first use case such as tracking or quick confirmation, and we will say when there is not. iPad support is worth doing properly rather than shipping a stretched phone layout: split view, multitasking and pointer support are what make an iPad app feel native. We scope both explicitly rather than assuming them.

Planning an iPhone or iPad App?

Tell us what it needs to do. We will map it to Apple frameworks and flag anything review will question.

Get an iOS Estimate