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Our proven expertise helps enterprises worldwide build reliable, scalable digital solutions that enhance performance, streamline operations, and drive sustainable business growth.

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Nujaxx

Why iOS is the Smart Choice for Your Business App

Choose iPhone app development to boost customer engagement, deliver smooth user experiences, and support scalable growth, helping businesses outshine, increase retention, and attain long-term success.

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69% US Market Share

69% US Market Share

Apple is attaining the highest US share, showcasing continued demand for iPhones. (Counterpoint)

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2x More Spending

2x More Spending

iOS users spend more on apps than Android users.

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$142B Revenue

$142B Revenue

iOS drives the majority of the app store revenue. (Backlinko)

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Accounts for High-Value Market

Accounts for High-Value Market

Apple dominates high-income regions, like the US, Japan, and Western Europe. (Business of Apps)

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End-to-End iOS App Development Services We Offer

From native Swift app development to App Store launch and support, our iOS app development services cover each stage of your app’s lifecycle, created to Apple’s high standards.

Native iPhone App Development

  • icon Offline-first with Core Data sync
  • icon Swift & SwiftUI native architecture
  • icon Biometric auth via Face ID / Touch ID
  • icon Push notifications & background tasks
  • icon Performance-optimized, crash-free builds

iPad App Development

  • icon Keyboard & trackpad full support
  • icon Adaptive layouts for all iPad sizes
  • icon Apple Pencil & PencilKit integration
  • icon Multi-window & drag-and-drop workflows
  • icon Split-screen & Stage Manager optimized

Apple Watch App Development

  • icon Workout sessions & activity rings
  • icon Real-time HealthKit data on the wristt
  • icon WatchConnectivity iPhone data sync
  • icon Always-on display & haptic feedback
  • icon watchOS native SwiftUI complications

Apple TV App Development

  • icon Subscription tiers via StoreKit 2
  • icon 4K HDR video with AVFoundation
  • icon TVOS OTT & streaming app builds
  • icon AirPlay receiver & sender integrationn
  • icon Siri Remote & game controller support

iOS UI/UX Design

  • icon User testing on real iOS devices
  • icon Dark mode & Dynamic Type support
  • icon Accessibility & WCAG AA standards
  • icon SwiftUI interactive prototypes & animations
  • icon Apple Human Interface Guidelines compliant

App Store Optimization & Deployment

  • icon A/B tested product page visuals
  • icon Post-launch rating & review strategy
  • icon App Store Optimisation & Deployment
  • icon Keyword-rich metadata & screenshots
  • icon Binary compliance & review preparation

iOS App Consulting

  • icon iOS feasibility study & tech audit
  • icon Product roadmap & sprint planning
  • icon App Store compliance gap analysis
  • icon Native vs cross-platform strategy advice
  • icon Architecture review for existing codebases

Maintenance & Support

  • icon Feature sprints post App Store launch
  • icon 24/7 uptime monitoring & alert system
  • icon Bug fixes with guaranteed SLA response
  • icon Crash monitoring & performance profiling
  • icon iOS & Xcode version upgrade compatibility

Experience Growth Like Never Before!

Upgrade the way your business works with fintech app development and enjoy never-ending benefits!

Ready to Build?

Get Your iOS App, Built to Apple's Highest Standard. From your first sprint to your App Store listing, we handle every stage. Let's start with your idea.

Ready to Build?

iOS Apps We Have Built - Real Problems, Real Results

A few iOS projects from our portfolio, each developed to Apple’s standards, shipped to the App Store, and delivered measurable results for our clients.

iOS Music Streaming App That Boosted Artist Engagement By 38%
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nujaxx loho
  • icon USA
  • Music Streaming

iOS Music Streaming App That Boosted Artist Engagement By 38%

  • Problem :

    Nujaxx needed an iOS music streaming app combining playback, artist discovery, vouchers, curated playlists, and profiles, while enabling direct artist monetization and meeting App Store standards.

  • The Stack :

    Built natively in Swift using AVFoundation for streaming and offline playback, with AWS and Node.js backend, personalized recommendations, StoreKit 2 monetization, and push notifications.

  • The Result :

    Launched with a 4.6 rating and featured early, the app boosted artist engagement by 38% through vouchers, while offline playback reduced churn and improved retention.

drt logo
  • icon South Africa
  • Banking

Mental Health iOS App Passed App Store Approval on Submission

  • Problem :

    DRT needed a secure, HIPAA-aligned iOS app for therapy, including appointments, video sessions, and sensitive data handling, while meeting strict App Store healthcare guidelines.

  • The Stack :

    Built in Swift using CryptoKit and Secure Enclave, with WebRTC video, CloudKit scheduling, Sign in with Apple, Face ID authentication, and secure APNs notifications.

  • The Result :

    Approved on first submission, the app achieved a 4.8 rating, increased session bookings by 44%, and improved therapist workflows through efficient messaging and scheduling systems.

Mental Health iOS App Passed App Store Approval on Submission
Fitness Coaching App Increased Subscription Revenue By 52%
ptyou logo
  • icon UK
  • Fitness

Fitness Coaching App Increased Subscription Revenue By 52%

  • Problem :

    PT You required a dual-role iOS app connecting trainers and clients with messaging, payments, and scheduling, ensuring intuitive performance while complying with App Store payment guidelines.

  • The Stack :

    Developed in Swift with SwiftUI, integrating HealthKit, StoreKit payments, Firebase messaging, and AVFoundation-powered video coaching with low-latency streaming for seamless user experience.

  • The Result :

    Launched in five months with a 4.7 rating, the app increased subscription revenue by 52%, improved trainer retention, and boosted engagement through seamless scheduling and HealthKit integration.

iOS App Development Services for Every Industry

We have a skilled team of iOS app development service experts who have created apps for diverse platforms, use cases, and industries.

Fintech
Fintech

Fintech

Our developers create fintech apps to enhance financial experiences through smooth payments, advanced fraud protection, and investment features.

  • icon Digital wallets & payments
  • icon Investment & trading apps
  • icon Secure crypto wallets
  • icon Fraud detection systems
Healthcare
Healthcare

Healthcare

We help healthcare institutions develop HIPAA-compliant healthcare apps with telemedicine, patient management, and real-time health tracking for enhanced care delivery.

  • icon HIPAA-compliant Patient & telehealth apps
  • icon EHR/EMR integrations
  • icon Wearable health sync
  • icon Clinical research tools
Banking & Insurance
Banking & Insurance

Banking & Insurance

Our team of experts creates reliable banking and insurance apps that are powered by secure transactions and real-time financial insights.

  • icon Neobank mobile apps
  • icon Loan & credit tools
  • icon Insurance management apps
  • icon Secure data architecture
eCommerce & Retail
eCommerce & Retail

eCommerce & Retail

Our high-performing shopping apps help ecommerce businesses with customer engagement features, smooth checkout, and personalized experiences to boost conversions.

  • icon D2C shopping apps
  • icon AR product visualization
  • icon AI recommendations engine
  • icon Loyalty & subscriptions
Education & EdTech
Education & EdTech

Education & EdTech

We build interactive learning apps for students and educators with real-time tracking, LMS integration, and engaging educational experiences.

  • icon Interactive learning appse
  • icon LMS & dashboards
  • icon AR learning models
  • icon Classroom management tools
On-demand & Logistics
On-demand & Logistics

On-demand & Logistics

On-demand and logistics apps we develop help with route optimization, real-time tracking, and workforce management capabilities.

  • icon Ride & delivery apps
  • icon Workforce management tools
  • icon Route optimization systems
  • icon Driver companion apps
Fitness & Wellness
Fitness & Wellness

Fitness & Wellness

Strengthened with health monitoring, personalized coaching, and activity tracking, fitness and wellness apps that we create to boost user engagement.

  • icon Workout tracking apps
  • icon Sleep & wellness tools
  • icon Live activity tracking
  • icon Subscription fitness apps
Gaming & Interactive
Gaming & Interactive

Gaming & Interactive

Equipped with multiplayer features, advanced graphics, and engaging interactive experiences, our gaming and interactive apps provide an immersive gaming experience.

  • icon Mobile AR games
  • icon Fantasy gaming platforms
  • icon Multiplayer social games
  • icon Spatial gaming experiences
Media & Entertainment
Media & Entertainment

Media & Entertainment

Our team of iOS developers creates streaming and media appswith subscription-based monetization models, smooth playback, and personalized content.

  • icon OTT streaming apps
  • icon Audio content platforms
  • icon Music streaming apps
  • icon Subscription monetization tools

Not sure which tier fits your project?

Book a free 30-minute scoping call with a senior iOS architect. We will review your project requirements and give you a realistic cost estimate, no sales pitch, no obligation.

Ready to Build?

iOS Tech Stack - Tools That Build Great Apps

We utilize Apple-native technologies at the core, along with battle-tested tools for backend, QA, and delivery, offering your iOS app the performance and longevity it deserves.

Core language

  • Swift 5.9+
    Swift 5.9+
  • Objective-C
    Objective-C
  • dart
    dart

UI Frameworks

  • SwiftUI
    SwiftUI
  • UIKit
    UIKit
  • Storyboards
    Storyboards

Apple Frameworks

  • Core Data
    Core Data
  • Core ML
    Core ML
  • ARKit
    ARKit
  • RealityKit
    RealityKit
  • HealthKit
    HealthKit
  • MapKit
    MapKit
  • StoreKit
    StoreKit

IDE & Tools

  • Xcode
    Xcode
  • Instruments
    Instruments
  • TestFlight
    TestFlight
  • App Store Connect
    App Store Connect
  • Simulator
    Simulator

Architecture patterns

  • MVVM
    MVVM
  • VIPER
    VIPER
  • Clean Architecture
    Clean Architecture
  • Combine
    Combine
  • async/await
    async/await

Backend

  • Node.js
    Node.js
  • Python
    Python
  • Java / Spring Boot
    Java / Spring Boot
  • GraphQL
    GraphQL
  • REST APIs
    REST APIs

Cross-platform (secondary)

  • React Native
    React Native
  • Flutter
    Flutter
  • Ionic
    Ionic

Database & Cloud

  • AWS
    AWS
  • Firebase
    Firebase
  • PostgreSQL
    PostgreSQL
  • MongoDB
    MongoDB
  • Azure
    Azure
  • Google Cloud
    Google Cloud

CI/CD & DevOps

  • Fastlane
    Fastlane
  • Bitrise
    Bitrise
  • GitHub Actions
    GitHub Actions
  • Jenkins
    Jenkins
  • CircleCI
    CircleCI

Our iOS App Development Process

We follow a structured, six-phase iOS delivery process that balances speed with Apple-grade quality, keeping you in control, informed, and on schedule from discovery to post-launch.

Discovery & iOS Scoping

Discovery & iOS Scoping

We start by translating your business objectives into an accurate iOS technical blueprint. This includes mapping the device matrix, defining your feature set, setting the least iOS deployment target, documenting API dependencies, and recognizing required Apple frameworks. The output is a sprint-by-sprint delivery roadmap and a signed-off scope document.

iOS UI/UX Design

iOS UI/UX Design

Our iOS designers create wireframes and engaging SwiftUI prototypes aligned precisely with Apple's Human Interface Guidelines, the design standard that Apple’s review team evaluates. We review every screen for dark mode support, accessibility compliance, and gesture consistency across distinct device sizes. We start with the code only after getting your approval for the prototype.

Agile iOS Development

Agile iOS Development

The development phase runs in two-week Agile sprints. At the end of every sprint, we provide you with a live TestFirst build, an actual, installable iOS app on your device for feedback. Thus, you never get introduced to the “big reveal” risk common in fixed-scope projects. Our engineers utilize Swift, SwiftUI, and Apple-native frameworks with third-party integrations.

QA on Real Devices

QA on Real Devices

We test on physical iOS hardware along with the Simulator. Our device lab involves iPhone 13 to iPhone 16 and multiple iPad models, ensuring the consistent performance of your app across screen sizes, hardware generations, and iOS versions. XCUITest drives automated UI flows; XCTest manages unit and integration coverage.

App Store Submission

App Store Submission

Submission is a detailed process that decides whether Apple approves your application on the first attempt. We audit your privacy, data collection declarations, entitlements, and usage descriptions. We design App Store screenshots according to Apple’s specifications, write keyword-optimized metadata, and configure phase deployment settings. Most of our submissions have attained a 90%+ first-attempt approval rate.

Post-Launch Support

Post-Launch Support

Launch is the start, not the end. We monitor your iOS app’s crash reports via Firebase Crashlytics, track App Store reviews and ratings trends, and test your app against Apple’s iOS beta releases every September before the public update rolls out. Feature sprint retainers help ship improvements consistently in flow.

Not Sure Where to Start With Your iOS App?

Contact our iOS consultants. We will review your idea, recommend the right tech approach, and give you a rough estimate, no commitment required.

Not sure which tier fits your project?

How Much Does iOS App Development Cost?

iOS app development cost relies on your app’s complexity, integrations, features, and timelines. iOS app development cost depends on your app's complexity, features, integrations, and timeline. Here's a transparent breakdown to help you plan your budget — no vague ranges, no surprises.

Starter / MVP

$25K - $60K

3-5 months

  • Ideal for startups and founders validating a product idea on the App Store with a focused, core feature set.
  • Up to 8–10 core screens
  • Native Swift / SwiftUI build
  • User auth & onboarding flow
  • One third-party API integration
  • App Store submission included
  • 60-day post-launch support

Growth / Business

$60K - $150K

4-8 months

  • Best for product-led businesses that need multi-device support, backend integrations, and a polished, scalable architecture.
  • iPhone + iPad optimized
  • Custom backend & REST/GraphQL APIs
  • Apple Pay, HealthKit, or ARKit integration
  • Push notifications & analytics
  • Admin dashboard / CMS panel
  • 90-day post-launch support

Enterprise / Scale

$150K+

8-18 months

  • For enterprises and high-growth companies requiring complex architecture, compliance, multi-platform Apple ecosystem delivery, and dedicated teams
  • iPhone, iPad, Apple Watch & Apple TV
  • HIPAA / PCI-DSS / GDPR compliant
  • Multi-role user systems & SSO
  • Dedicated iOS engineering team
  • CI/CD pipeline & DevOps setup
  • Ongoing SLA-backed maintenance

Choose the Engagement Model That Suits You

The right engagement model depends on your budget, balancing project scope, and flexibility. Pick yours from the models below that we offer.

Fixed Price

Fixed Price

Best for: MVP & defined scope

A defined project scope, cost, and timeline are agreed upon up front. You can choose it when your requirements are clear, and you need budget assurance from day one.

Time & Materials

Time & Materials

Best for: Evolving products

You pay for the hours spent on each sprint. You can select it when your product’s feature set evolves in response to market changes or user feedback during development.

Dedicated iOS Team

Dedicated iOS Team

Best for: Long-term builds

You get a full-time iOS team to build your product, including engineers, a project manager, and a QA specialist, working exclusively on your app at a monthly retainer.

Staff Augmentation

Staff Augmentation

Best for: Scaling in-house teams

Hire iOS developers at $35-$65/hr to add to your existing team. No long-term commitment, no recruitment overhead, only scale up or down as required. 

Why Choose Nimble AppGenie as Your iOS Development Partner?

With 8+ years of proficiency and a 97% client retention rate, our iOS developers bring technical depth and accountability that your Apple app deserves.

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Apple-Native Experts, Not Generalist Developers

Apple-Native Experts, Not Generalist Developers

Our dedicated engineers work with Swift, SwiftUI, and Apple’s comprehensive framework suite; they don’t separate across Android, web, and iOS simultaneously.

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90%+ First-Submission - App Store Approval Rate

90%+ First-Submission - App Store Approval Rate

We set every binary per Apple’s review guidelines before app submission, so your application launches as scheduled and doesn’t get delayed because of rejection.

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TestFlight Builds After Every Sprint

TestFlight Builds After Every Sprint

Every two weeks, you get a real, testable iOS build, not only status slides. A complete visibility into progress throughout the full development cycle.

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Security & Compliance

Security & Compliance

From Secure Enclave storage and HIPAA to PCI-DSS compliance, our experts apply data protection to your iOS application from the first sprint.

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Dedicated Team, Global Time-Zone Coverage

Dedicated Team, Global Time-Zone Coverage

The US, UK, UAE, and India delivery team indicates your iOS app development project is in responsive hands, supported by a 97% client retention rate.

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iOS App Development Services FAQ!

Find answers to all your common iOS app development queries.

Frequently Asked Question

Native iOS (Swift/SwiftUI) offers you in-depth Apple framework access, a flawless user experience, and the best performance, making it the right choice for your app if your app requires HealthKit, FaceID, ARKit, or any platform-specific feature.

On the contrary, if you are building for Android and iOS simultaneously on a tighter budget, and you don’t excessively depend on native device APIs, then React Native and Flutter are best.

As a rule of thumb, if your product is feature-rich or iOS is your primary platform, go native. Across both platforms, if speed-to-market matters more, then cross-platform is a reasonable choice.

The standard review time of Apple is typically 24 to 48 hours for most apps. However, apps in sensitive categories (like finance, healthcare, and content), first-time submissions, or those with complex entitlements can take 3 to 7 days.

If rejections occur, add an extra review cycle. We carefully prepare each submission, checking App Store guidelines, screenshots, binary entitlements, and metadata. That’s why 90%+ apps are approved on the first attempt, keeping your launch timeframe on track.

We generally develop for the latest two major iOS versions, which today covers 95%+ of active iPhone and iPad users. iOS adoption is extremely fast, so unlike Android, you rarely need to support versions 2-3 and older. We will confirm the exact minimum deployment target for your unique audience during the discovery phase, counterbalancing feature potential and user coverage.

Of course! We sign a mutual NDA before we discuss your project, proposal, or start any technical scoping. Your business logic, idea, and sensitive details shared during our engagement are completely protected. We also transfer comprehensive IP ownership of the source code once the project is completed. We ensure you hold each line of code we write.

Apple’s modern programming language, Swift, is the right option for all new iOS projects. It’s safer, faster, and notably more readable than Objective-C, with complete support for SwiftUI and the modern Apple frameworks.

On the other hand, Objective-C is a legacy language, still better for maintaining older codebases, but Apple has been avoiding it for years. We will always create new projects in Swift unless you have an existing Objective-C app that demands updates. If you have legacy Objective-C code, we can incrementally migrate it to Swift without disturbing the existing app.

Every September, Apple arrives with a major iOS update. Each release can change UI behaviours, deprecate APIs, or introduce new device powers. Our maintenance and support service involves testing your app against beta iOS versions before any public release, monitoring Apple's developer announcements and WWDC releases, and deploying compatibility updates well before any new iOS launch. This ensures your app performs well even on a new OS version and is always set for the latest device hardware.

Yes. With SwiftUI, you can share a significant part of your codebase across iPad, iPhone, and Apple Watch while delivering a UI that’s adapted properly for every device’s screen size and interaction model.

iPad needs specific work for Stage Manager, split-screen, and Apple Pencil support.

Apple Watch demands a dedicated watchOS target with WatchConnectivity for data syncing. From the beginning, we plan multi-device architecture, so the shared code was created correctly, despite modifying the iPhone code for other devices later.

We follow a pre-submission checklist that shows Apple's App Review Guidelines, covering data collection justifications, privacy declarations, content policies, permission usage descriptions, and binary performance standards.

We test on real devices, verify all capabilities and entitlements are accurately configured, and review each screenshot and metadata field.

Our QA process runs along with development. We use XCUITest for automated UI testing, XCTest for unit testing, and perform manual exploratory testing on physical devices across various iPhone and iPad models. Every sprint includes a regression cycle before we share the TestFlight build with you. Also, before final submission, we run a performance audit leveraging Xcode Instruments, checking CPU load, launch time, memory usage, and battery impact to ensure the app meets Apple’s quality bar.

We build IP protection in our engagement model. Also, we sign an NDA before starting with the scope, all developers working on your project sign individual confidentiality agreements, and we work with access controls in private repositories limited to your project team.

When the project is complete, full source code ownership is transferred to you through a private GitHub or Bitbucket repository. We never reuse architecture, client-specific logic, or proprietary features in other projects.

Success stories Client Testimonials

Nimble AppGenie is committed to delivering results that satisfy our client’s needs and their business objectives. Here are testimonials from our clients about their experiences of working with us.

BLOGS
Our Latest Blogs

Read the latest blogs for the top industrial insights of development processes, tech guides, and the latest trends to stay updated & learn more.

Our Presence

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Houston, USA

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10685-B Hazelhurst Dr. #24641 Houston, TX 77043, USA

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London, UK headquarters

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27 Old Gloucester Street, London, WC1N 3AX, United Kingdom

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Toronto, Canada

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401 Bay Street, Toronto, ON M5H 2Y4, Canada

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Dubai, UAE

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Central One District C1 Building, Level 1, DWTC District, Dubai, UAE

Accreditations & Technology Partners

  • ios
  • aws partner
  • ios certified
  • google cloud partner
  • forbes
  • stripe
  • adobe
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Niketan Sharma

Project Manager

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