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.

Get a Free iOS Project Estimate

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.

iOS App Maintenance and Support

We keep your app secure and current with crash monitoring, bug fixes, performance tuning, and new features. Every year, we update your app for the next iOS release and Apple's latest SDK requirements, so an OS update never breaks your app.

iOS App Consulting and Product Discovery

We turn your app idea into a clear, buildable plan. Our consultants validate the concept, define core user journeys, and recommend the right architecture and tech stack for your goals. Every engagement starts with a discovery workshop and ends with a prioritized feature roadmap and a detailed estimate.

iOS UI/UX Design

We design intuitive interfaces in Figma that follow Apple's Human Interface Guidelines and the current Liquid Glass design language. Clickable prototypes let you test real flows with users before development begins, and every screen supports accessibility features like Dynamic Type and VoiceOver. Need design capacity inside your own team? Bring in our dedicated UI/UX designers.

Custom iPhone and iPad App Development

Our engineers build native apps in Swift and SwiftUI that are fast, stable, and tailored to your business. iPad apps get purpose-built layouts with split view, multitasking, and Apple Pencil support rather than a stretched phone screen. We use Apple technologies like Face ID, Apple Pay, Siri, and Core ML wherever they add real value for your users.

Enterprise iOS App Development

We build internal apps for field teams, sales reps, and operations staff that plug into your CRM, ERP, and approval workflows. Apps can be distributed privately through Apple Business Manager and managed with your MDM platform, so only your people can access them.

Apple Watch, Apple TV, and Vision Pro Apps

We extend your product across the Apple ecosystem with watchOS, tvOS, and visionOS apps. Each one is designed around how people actually use that device, from quick glances and complications on Apple Watch to immersive spatial experiences on Apple Vision Pro.

iOS App Migration and Modernization

We move legacy Objective-C and UIKit apps to modern Swift and SwiftUI one module at a time, so your live app keeps running while the codebase improves. We also rebuild Android apps natively for iOS and take over existing apps from other vendors, starting with a code and architecture audit.

iOS App Testing and QA

We combine manual and automated testing across devices and iOS versions to catch crashes, performance issues, and security gaps before your users do. Stakeholders review real builds on real devices through TestFlight at every milestone.

Talk to an iOS Expert

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 TypeWhat We Deliver
Startup MVPsA focused first release with the core features you need to test demand, gather feedback, and raise funding
Consumer AppsPolished, high-engagement apps built for App Store discovery, retention, and in-app revenue
Enterprise and Internal AppsSecure apps for employees and field teams, connected to CRM and ERP data and distributed privately
eCommerce and Subscription AppsFast checkout with Apple Pay, subscriptions with StoreKit, and loyalty features that drive repeat purchases
SaaS Companion AppsNative iOS versions of your web platform with offline access, push notifications, and real-time sync
IoT and Device Companion AppsApps 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

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.

01Discovery

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

02UI/UX Design

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

03Development

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

04Testing and Security Review

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

05App Store Launch

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

06Support 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 WhenChoose Cross-Platform When
Your app relies on Face ID, ARKit, HealthKit, or Apple WatchYou need iOS and Android apps at the same time
Most of your highest-value users are on iPhoneYour budget favors one shared codebase
Performance and polish are top prioritiesYour features don't depend heavily on device hardware
You want new iOS features as soon as Apple releases themSpeed 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.

CategoryTechnologies
LanguagesSwift, Objective-C
UI FrameworksSwiftUI, UIKit
Apple FrameworksCore ML, Foundation Models, ARKit, RealityKit, App Intents, StoreKit, HealthKit, HomeKit, MapKit
Data and StorageSwiftData, Core Data, Realm, SQLite, CloudKit, Keychain
PlatformsiOS, iPadOS, watchOS, tvOS, visionOS, macOS (Catalyst)
Back End and CloudFirebase, AWS, Microsoft Azure, Google Cloud, REST and GraphQL APIs
TestingXCTest, Swift Testing, XCUITest, TestFlight
Tools and CI/CDXcode, 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

Model 02 · Flexible Engagement

Time and Material

How It Works

You pay for actual hours and can reprioritize features at any time

Best For

Evolving products and ongoing feature work

Model 03 · Dedicated Capacity

Dedicated iOS Team

How It Works

Engineers, designers, and QA specialists assigned to your product at a monthly rate

Best For

Long-term roadmaps and scaling teams

Model 04 · Blended Engagement

Hybrid

How It Works

Fixed-price milestones with time-based billing for changes

Best For

Complex builds that need predictability and flexibility

Get in Touch with Us

What Our Clients Say

Gajendra Neware

Gajendra Neware

Advayan’s SAP S/4HANA migration process was nothing short of impressive. The team handled everything professionally, ensuring minimal disruption to our core operations. We felt supported every step of the way.

Gloria Benson

Gloria Benson

From consultation to execution, Advayan demonstrated deep knowledge and a collaborative spirit. Their strategic inputs helped us solve complex issues in our SAP upgrade process.

Devin Timber

Devin Timber

Advayan’s documentation and training support after deployment were extremely helpful. Our internal teams were onboarded smoothly, and productivity didn’t take a hit.

Sanu Patle

Sanu Patle

Our document workflows were all over the place before FLM implementation. Advayan helped us digitize and organize everything it's now fast, efficient, and environmentally friendly.

Ray Thorne

Ray Thorne

From initial planning to final rollout, Advayan’s G2C project support was outstanding. The solution was scalable, secure, and well received by users.

Anmol Thakre

Anmol Thakre

Working with Advayan on our TPM implementation was a smart decision. Their integration of VisualFabriq significantly improved our promotional planning and gave us better visibility over performance.

Kara White

Kara White

We had a challenge integrating mobile tools with Salesforce. Their dev team solved it quickly and offered smart suggestions that improved the final product significantly.

Mason Morrow

Mason Morrow

We consider them a long-term partner now. Advayan’s innovative mindset and consistent execution helped our organization modernize across multiple touchpoints.

Rajathakre

Rajathakre

From initial planning to final rollout, Advayan’s G2C project support was outstanding. The solution was scalable, secure, and well received by users.

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.

Get a Free iOS Project Estimate
Questions

Frequently Asked Questions

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.

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.

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