iOS App Development Services

Native iPhone and iPad apps built in Swift, approved on the App Store, and connected to the systems your business runs on.

Advayan's iOS app development services take your app from idea to App Store and beyond, covering product strategy, UI/UX design, Swift and SwiftUI development, security, testing, launch, and long-term support. We build secure, scalable apps for iPhone, iPad, Apple Watch, Apple TV, and Apple Vision Pro, and we connect them to Salesforce, SAP, and the other platforms behind your business.

iOS App Development Services We Offer

From the first product workshop to every release after launch, we cover each stage of iOS development. Choose the full lifecycle or only the services you need.

Types of iOS Apps We Build

Whether you are validating a new idea or equipping thousands of employees, we shape the build around the kind of app you need.

App Type

What We Deliver

Startup MVPs

A focused first release with the core features you need to test demand, gather feedback, and raise funding

Consumer Apps

Polished, high-engagement apps built for App Store discovery, retention, and in-app revenue

Enterprise and Internal Apps

Secure apps for employees and field teams, connected to CRM and ERP data and distributed privately

eCommerce and Subscription Apps

Fast checkout with Apple Pay, subscriptions with StoreKit, and loyalty features that drive repeat purchases

SaaS Companion Apps

Native iOS versions of your web platform with offline access, push notifications, and real-time sync

IoT and Device Companion Apps

Apps that pair with sensors, wearables, and smart devices over Bluetooth, Wi-Fi, and HomeKit

iOS App Features We Build

We build the Apple-native features users expect and the business features that drive results.

Sign in with Apple, Face ID, and Touch ID for fast, secure login

Apple Pay, in-app purchases, and subscriptions through StoreKit

Push notifications, Home Screen widgets, and Live Activities

Siri and Shortcuts support through App Intents

Offline mode with background sync when the connection returns

Maps, location tracking, and geofencing with Core Location and MapKit

HealthKit and Apple Watch data for health and fitness apps

Camera, document scanning, and barcode reading

In-app chat, video calls, and real-time updates

Analytics, crash reporting, and performance monitoring from day one

Enterprise-Ready iOS App Integrations

An app is only as useful as the data behind it. We connect your iOS app to the platforms your teams already rely on.

01

Salesforce, SAP, and MuleSoft

Native iOS front ends for live CRM data, backed by our Salesforce integration services

Real-time sync of orders, inventory, and pricing with SAP and other ERPs

Secure, reusable APIs built through our MuleSoft integration services

02

Cloud Back Ends

Scalable back ends delivered through our cloud application development services

Seamless data sync across devices with CloudKit, AWS, Azure, or Google Cloud

Lower infrastructure costs with right-sized storage and compute

03

AI and Apple Intelligence

On-device AI with Apple's Foundation Models framework that keeps user data private

Core ML models for image analysis, voice recognition, and predictions

Personalized recommendations and smart automation inside your app

04

IoT and Wearables

Real-time monitoring and control of connected devices

HomeKit and Core Bluetooth integrations for sensors and smart devices

Companion apps for Apple Watch and other wearables

05

AR and Spatial Computing

Immersive augmented reality experiences built with ARKit and RealityKit

Virtual product previews, training modules, and guided workflows

visionOS apps designed for Apple Vision Pro

Our iOS App Development Process

Most custom iOS apps reach a fully functional first release in about 3 to 6 months. We work in two-week Agile sprints, so you review a working build at the end of each one.

01

Discovery

We define your goals, users, core features, and compliance needs. You receive a feature roadmap, an architecture plan, and a detailed estimate.

02

UI/UX Design

We create wireframes and clickable prototypes, test key flows, and refine the design with your team's feedback before development begins.

03

Development

We build in sprints with continuous integration and code reviews on every change. You see progress in a working build every two weeks.

04

Testing and Security Review

We test functionality, performance, accessibility, and security across devices throughout the build, not only at the end.

05

App Store Launch

We prepare your listing and privacy details, submit the app to Apple, and manage review feedback until your app goes live.

06

Support and Growth

We monitor crashes and performance, act on user feedback, and ship new features and iOS updates as your product grows.

Security and Compliance Built Into Every iOS App

Security is part of the architecture from the first sprint, not a checklist at the end. Every app we build includes protections matched to your data and your industry.

Data Protection

Encrypted storage for credentials and sensitive data using the iOS Keychain

Encryption in transit with certificate pinning on API calls

Secure session handling and token management

Access Control

Biometric authentication with Face ID and Touch ID

Role-based access for enterprise users

Jailbreak detection and code obfuscation for high-risk apps

Privacy and Regulatory Compliance

Accurate App Store privacy labels, privacy manifests, and App Tracking Transparency prompts

Architecture designed to support HIPAA, GDPR, and PCI DSS requirements

Security testing before every major release

Native iOS or Cross-Platform: Which Fits Your App?

The right choice depends on your users, features, and budget. Here is how we help clients decide.

Choose Native iOS When

Choose Cross-Platform When

Your app relies on Face ID, ARKit, HealthKit, or Apple Watch

You need iOS and Android apps at the same time

Most of your highest-value users are on iPhone

Your budget favors one shared codebase

Performance and polish are top priorities

Your features don't depend heavily on device hardware

You want new iOS features as soon as Apple releases them

Speed to market on both platforms matters most

If cross-platform is the better fit, our Flutter app development services deliver both apps from a single codebase.

iOS App Development for Your Industry

We build apps around the workflows, regulations, and customers of your industry.

Healthcare

HIPAA-conscious apps for telemedicine, patient engagement, appointment booking, remote monitoring, and HealthKit-connected wellness tracking.

Retail and eCommerce

Shopping apps with personalized recommendations, Apple Pay checkout, loyalty programs, and AR product previews.

Finance and Fintech

Secure mobile banking, digital wallets, investment dashboards, and loan workflows with biometric login and integration with core banking systems.

Manufacturing

IoT-connected production monitoring, inspection and quality checklists, and real-time analytics that reduce downtime.

Hospitality and Travel

Booking, contactless check-in, digital room keys, and personalized guest services.

Real Estate

Property search with geolocation, virtual tours, and built-in CRM features that help agents close deals faster.

Education and eLearning

Virtual classrooms, course delivery, interactive assessments, and progress tracking for students and educators.

Logistics and Supply Chain

Driver and delivery apps with live tracking, route optimization, proof of delivery, and barcode-based inventory management.

Our iOS Tech Stack

We build with Apple's latest languages, frameworks, and tools so your app stays fast, secure, and ready for future iOS releases.

Category

Technologies

Languages

Swift, Objective-C

UI Frameworks

SwiftUI, UIKit

Apple Frameworks

Core ML, Foundation Models, ARKit, RealityKit, App Intents, StoreKit, HealthKit, HomeKit, MapKit

Data and Storage

SwiftData, Core Data, Realm, SQLite, CloudKit, Keychain

Platforms

iOS, iPadOS, watchOS, tvOS, visionOS, macOS (Catalyst)

Back End and Cloud

Firebase, AWS, Microsoft Azure, Google Cloud, REST and GraphQL APIs

Testing

XCTest, Swift Testing, XCUITest, TestFlight

Tools and CI/CD

Xcode, Xcode Cloud, Fastlane, GitHub Actions, Swift Package Manager

Why Choose Advayan for iOS App Development Services

We pair native iOS engineering with deep enterprise integration experience, so your app launches polished and works with the systems behind it.

Native iOS Expertise

Our engineers work in Swift and SwiftUI every day and follow Apple's guidelines closely, which keeps App Store reviews smooth.

Enterprise Integration Built In

Salesforce, SAP, and MuleSoft projects are core to our work, so connecting your app to business data is familiar ground.

Long-Term Partnership

We stay with you after launch through maintenance, monitoring, and yearly iOS upgrades.

Flexible Team Options

Need extra capacity on your own team? You can hire dedicated iOS developers on a monthly engagement.

Flexible Engagement Models

Choose the way of working that fits your scope, timeline, and budget.

Model 01 · Structured Engagement

Fixed Price

How It Works

One agreed fee for a clearly defined scope and timeline

Best For

MVPs and well-specified projects

What Our Clients Say

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From Idea to App Store: Let's Build the iOS App Your Customers Are Waiting For

Tell us about your idea, and we'll come back with a recommended approach, a timeline, and a detailed estimate. Your first consultation is free.

Questions

Frequently Asked Questions

How long does it take to develop a custom iOS app?

Most projects take about 3 to 6 months to reach a fully functional version, depending on complexity and features. A focused MVP can launch sooner, and larger enterprise apps with many integrations can take longer. We share working builds every two weeks so you can give feedback throughout.

How much do iOS app development services cost?

Cost depends on feature complexity, design depth, the number of integrations, compliance requirements, and how many Apple devices you target. We provide a detailed, line-item estimate after a free discovery call, so you know exactly what you're paying for before development starts.

Is iOS app development worth it for my business?

For most businesses targeting high-value customers, yes. Apple reports that the App Store ecosystem facilitated more than $1.4 trillion in developer billings and sales in 2025 and averaged over 850 million weekly users across 175 countries and regions.

Should I build a native iOS app or a cross-platform app?

Build native if your app relies on Apple hardware features, needs top performance, or mainly targets iPhone users. Choose cross-platform, such as Flutter, if you need iOS and Android at launch on a tighter budget. We recommend the right approach during discovery.

Which programming language do you use for iOS app development?

We build new iOS apps in Swift, Apple's modern programming language, using SwiftUI for interfaces. We also maintain and modernize existing Objective-C and UIKit codebases, migrating them to Swift step by step when it makes sense.

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Can you take over or improve my existing iOS app?

Yes. We start with a code, architecture, and performance audit, then fix critical issues first and improve the app step by step without disrupting your live users.

Can you help with App Store submission and approval?

Yes. We handle the complete submission process, including a pre-review guideline check, privacy disclosures, App Store listing preparation, and responses to Apple's review team.

What happens if Apple rejects my app?

A rejection is usually a fixable round trip. We review Apple's feedback, resolve the issue, and resubmit quickly. Our pre-submission audit is designed to catch the most common problems before review.

Do I need an Apple Developer account to publish my app?

Yes. Publishing on the App Store requires a membership in the Apple Developer Program, which costs $99 per year. We recommend enrolling under your own organization so you keep full control of your app listing, and we guide you through the setup.

Do you provide post-launch support and updates?

Yes. Our ongoing maintenance includes crash and performance monitoring, security patches, feature improvements, and updates for each new iOS release and SDK requirement.

Can you integrate my iOS app with Salesforce, SAP, or other systems?

Yes. We integrate payment gateways, analytics tools, and third-party APIs. For enterprise clients, we connect apps to Salesforce, SAP, and other systems through secure APIs and MuleSoft.

How do you keep iOS apps secure and compliant?

We use Keychain encryption, certificate pinning, biometric authentication, and secure session handling. We design the architecture around the regulations that apply to you, such as HIPAA, GDPR, or PCI DSS.

How do you ensure app performance across different iOS devices?

We test on a range of iPhone and iPad models and across multiple iOS versions, optimizing launch time, responsiveness, memory use, and interface consistency for every user.

Can you convert my Android app to iOS?

Yes. We rebuild your app natively in Swift, adapt the design to Apple's Human Interface Guidelines, and migrate your data and back-end connections so existing users keep their accounts.

Do you build apps for iPad, Apple Watch, and Apple Vision Pro?

Yes. We build purpose-built iPad layouts, standalone and companion watchOS apps, and visionOS apps for Apple Vision Pro using SwiftUI and RealityKit.