Custom iOS App Development for iPhone & iPad

We build native iOS applications in Swift — high-performance, secure, and designed around Apple’s Human Interface Guidelines from the first wireframe. From a first MVP to an enterprise iOS rollout, our iOS app developers handle design, engineering, and App Store deployment as one connected process.

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Core capabilities

As an iOS app development company, we cover every stage a custom iPhone or iPad app needs — strategy, design, native development, and long-term maintenance.

Native Swift and Objective-C development
iPhone UX/UI design built on Apple's Human Interface Guidelines
Enterprise iOS development with security and compliance built in
iPad app development for tablet-specific workflows
App Store deployment, testing, and portability checks
Ongoing iOS app maintenance, updates, and optimization

Our iOS App Development Services

Custom iOS App Development

Apps built around your specific business goals and users, from initial concept through App Store launch.

  • Discovery-driven scoping, not a template applied to every client
  • Custom features matched to your actual workflow, not a generic feature list

Native iOS Development

Built in Swift on Apple’s own frameworks for the best possible performance and full access to iOS-specific capabilities.

  • Swift-first development, with Objective-C support for legacy codebases
  • Full access to ARKit, Core ML, SiriKit, Apple Pay, Face ID, and Touch ID where relevant

Enterprise iOS Development

Apps built to enterprise security and compliance standards, for internal tools and customer-facing platforms alike.

  • Secure authentication, data encryption, and role-based access
  • Integration with existing enterprise systems and identity providers

iPad App Development

Interfaces designed specifically for tablet workflows, not a stretched iPhone layout.

  • Layouts built around iPad’s larger screen and multitasking capabilities
  • Optimized for use cases like field work, POS, and in-office tools

iPhone UX/UI Design

Interfaces designed around Apple’s Human Interface Guidelines, so the app feels native rather than adapted.

  • Wireframes and prototypes tested before development begins
  • Design decisions grounded in real user research, not assumptions

App Store Deployment & Testing

Submission handled as a managed process, not a last-minute step.

  • App Store guideline compliance checks and metadata preparation
  • Device and OS-version portability testing before submission

iOS App Maintenance & Support

Ongoing updates that keep pace with new iOS releases, device changes, and real usage data.

  • OS update compatibility and dependency upgrades
  • Performance optimization and bug fixes based on real usage

Why Partner With Crossway for iOS App Development

01

Design and Engineering Together

Our iPhone UX/UI designers and iOS developers work as one team, so the design that gets approved is the design that ships.

02

Swift-First, Not Framework-Default

We build native by default and only recommend cross-platform frameworks when that's genuinely the better fit for your goals..

03

Real App Store Experience

We manage the submission and review process directly, so guideline issues get caught before Apple's review, not during it.

04

Enterprise-Ready Security

Authentication, encryption, and compliance considerations are built into enterprise iOS projects from day one.

05

A Partner Who Stays

We stay involved after launch, monitoring performance and iterating based on real usage data, not a handoff at ship date.

Industries We Build iOS Apps For

Healthcare​

Healthcare

Patient-facing and provider tools with the privacy handling healthcare data requires.

Automotive

Automotive

Dealership, service, and fleet-management apps built around real customer workflows.

Finance

Banking & FinTech

Secure transaction and account management apps built for regulatory scrutiny.

Education

Education

Learning and campus-management apps for schools and ed-tech platforms.

Real Estate

Logistics

Fleet, dispatch, and field tools built for real-world connectivity conditions.

Hospitality

Retail

Mobile commerce and in-store apps built around real customer behavior.

Apple Ecosystem & Technology Stack

Native iOS development means building directly on Apple’s own languages and frameworks, so your app gets full access to the platform’s capabilities from day one.

Languages & Tools

Swift Objective-C Xcode iOS SDK UIKit Core Data

Apple Frameworks & APIs

ARKit Core ML SiriKit Apple Pay Face ID Touch ID

Integration & Backend

Firebase REST API Push Notifications Cloud Integration AI Integration

Our iOS App Development Process

1
Discovery & Strategy

Goals, target users, and platform requirements mapped before any design or engineering work begins.

2
UX/UI Design

Wireframes and prototypes built around Apple's Human Interface Guidelines and tested before development.

3
Native Development

Sprint-based Swift development with regular check-ins, so you see working software throughout the build.

4
Testing & Portability

Functional, performance, and device/OS-version portability testing before submission.

5
App Store Deployment

Guideline compliance checks, metadata, and submission managed through Apple's review process.

6
Post-Launch Support

Monitoring, OS-update compatibility, and iteration based on real usage data.

What Determines Cost & Timeline

Feature scope

A focused MVP vs. a full-featured enterprise iOS app with AI or advanced integrations.

Design complexity

Standard iOS design patterns vs. a highly custom, brand-specific interface.

Backend requirements

Whether the app needs custom backend services, APIs, or works with an existing system.

Integrations

Payment processing, third-party APIs, and enterprise identity systems each add scope.

Platform coverage

iPhone-only vs. iPhone and iPad, and whether Android or cross-platform is needed alongside it.

We give a project-specific estimate after a discovery conversation grounded in your actual requirements — not a placeholder figure.

Explore Our Other App Development Services

Mobile App Development

Our full mobile app development offering across iOS, Android, and cross-platform.

View Mobile App Development →

Cross-Platform App Development

Flutter and React Native apps that share one codebase across iOS and Android.

View Cross-Platform Development →

Social Networking App Development

Secure, compliant mobile platforms built for internal and customer-facing enterprise use.

View Social Networking App Development →

Generative AI App Development

AI-powered features — chatbots, personalization, and predictive analytics — built into your app.

View AI App Development →

Frequently Asked Questions

It depends on feature scope, tenancy model, compliance needs, and integration depth. We provide a project-specific estimate after discovery rather than a placeholder figure.

Timeline depends on feature scope and complexity, from a focused MVP to a full-featured enterprise app. We define a realistic timeline together during discovery, based on your specific requirements.

iOS users are typically higher-spending on apps and in-app purchases, the platform has a more unified device and OS ecosystem than Android which simplifies testing, and Apple's App Store review process, while stricter, tends to result in a more curated, higher-trust app environment for users.

An agency brings a full team — design, engineering, QA, and project management — plus continuity if an individual developer becomes unavailable. For apps beyond a simple MVP, that structure typically reduces long-term risk.

We build primarily in Swift, Apple's modern, actively developed language, since it offers better performance, safety, and long-term maintainability. We maintain Objective-C capability for legacy codebases that need updates or new features added without a full rewrite.

Native iOS development means building an app specifically for Apple's platform using Apple's own languages (Swift or Objective-C) and frameworks, rather than a cross-platform framework shared with Android. This gives the best possible performance and full access to iOS-specific features.

We handle App Store submission as part of every project, including compliance checks against Apple's guidelines, preparing metadata, screenshots, and privacy disclosures, and managing the review process, which typically involves at least one round of Apple feedback.

Healthcare, retail, banking and fintech, logistics, education, and automotive businesses commonly see strong returns from custom iOS apps, particularly where secure transactions, appointment or fleet management, or direct customer engagement are core to the business.

Let's Build Your iOS App

A well-built iOS app should feel like it belongs on the platform — fast, secure, and designed the way Apple users expect.