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Native app development for iOS in Swift and SwiftUI with a publication guarantee in App Store

We create fast, secure and aesthetic mobile apps for iPhone, iPad and Apple Watch. Full development cycle: from interface design according to Human Interface Guidelines to integration of Apple Pay, Push notifications, biometrics and flawless Apple moderation approval.

✓ 100% native stack: Swift 5.10+, SwiftUI, Combine for maximum speed and 120 FPS
✓ Deep integration with the Apple ecosystem: Face ID, Apple Pay, Widgets, Live Activities
✓ Clean modular architecture (Clean Swift / MVVM+C) for easy scaling
✓ Official agreement, transfer of 100% rights to the source code and support in App Store
Swift 5.10+ SwiftUI & UIKit Clean Architecture Apple Pay API App Store Guidelines
Get a cost estimate
Formats and pricing
ALL IT • SERVICE SPEC
SLA 99.9%
[ MOBILE DEVELOPMENT ] WARRANTY UNDER AGREEMENT
Premium user experience for iPhone

Smooth 120Hz ProMotion • Instant Response 0.05s • Apple Pay in 1 Taps

⏱ Start: 1–3 days 🛡️ NDA: 100% SLA Warranty
⚡
120 FPS UI
Seamless animation
🍏
Apple Pay
Payment for 1 click
🛡️
Face ID / Touch ID
Hardware Protection
🚀
App Store Review
100% Release Approval
✓ Official contract with fixed cost of work
✓ 100% transfer of rights to code and configuration to the customer
✓ Assigned leading engineer and support 90 days
FULL TRANSFER OF RIGHTS CONTRACT + WARRANTY
[ BUSINESS INDICATORS FOR PAYABLE AUDIENCE ]

Why businesses choose native development for iOS

Audience of Apple devices has the highest average purchase check and expects unmatched speed

[ 01 ]

Maximum productivity and smoothness

Native code executes without intermediate interpreters, guaranteeing instant launch, battery-efficient usage and support for ProMotion 120Hz.

[ 02 ]

Higher average order value and customer LTV

iOS users buy more frequently and spend 2–3 times more. Integration of Apple Pay allows paying for goods in seconds without manual card entry.

[ 03 ]

Bank-level data security

Use of the hardware chip Secure Enclave, secure storage of tokens in Keychain, end-to-end encryption and strict access control.

[ 04 ]

Hardware capabilities of the Apple ecosystem

Access to premium-quality cameras, LiDAR scanners, iOS widgets, interactive Live Activities, and offline operation through CoreData or Realm.

Stages of Creating an iOS App

What is included in the comprehensive iOS app development turnkey

Transparent engineering process from forming a technical specification to publication in App Store Connect

[ STEP 01 ] Architecture

Pre-project analysis and architecture design

We analyze business requirements, design data structure, REST / GraphQL / WebSocket API protocols and choose an architectural template (MVVM-C / Clean Swift).

[ STEP 02 ] Design

UI/UX design according to Human Interface Guidelines standards

We create ergonomic prototypes in Figma considering dark and light themes, placement of Safe Area, Dynamic Island and dynamic font sizes (Dynamic Type).

[ STEP 03 ] Development

Native interface and business logic development

We write clean, optimized code in Swift and SwiftUI. We implement caching, background synchronization, and interaction with the backend.

[ STEP 04 ] Integrations

Integration of Apple Pay, Face ID, and Push notifications

Connecting secure Apple Pay payments through Ukrainian and international payment gateways (LiqPay, Monobank, Stripe), APNs push notifications and biometrics.

[ STEP 05 ] QA Testing

Comprehensive testing on real device fleets

We are conducting unit testing, checking the operation on different iPhone models (from SE to the latest Pro Max) and beta testing through TestFlight.

[ STEP 06 ] Release

Publication on App Store and moderation support

We are preparing screenshots, marketing descriptions, configuring privacy policies, undergoing strict Apple Review moderation, and making the release.

[ FORMAT OF DEVELOPMENT ]

Choose the project scale based on your tasks

Transparent budget, step-by-step payment by sprint and official SLA agreement

For quick market entry and hypothesis testing

iOS MVP

Basic functional application with a key user scenario, API integration and successful release in TestFlight / App Store.

Development time: from 4–6 weeks
Work Scope:
✓ Native development in Swift / SwiftUI (up to 10 screens)
✓ Authentication via Apple ID, phone, or email
✓ Integration of ready REST API of your backend
✓ Basic Push Notifications (APNs)
✓ Testing on iPhone Current Generations
✓ Turnkey App Store publication
Choose the tariff «iOS MVP»
Best choice for commercial products ★ Popular

Production iOS App

Full-featured mobile app with complex business logic, offline mode, Apple Pay payments and custom animations.

Development time: from 8–12 weeks
Work Scope:
✓ Everything that is included in the package 'iOS MVP'
✓ Deep UI/UX design with microanimations (Lottie)
✓ Integration of Apple Pay (LiqPay / Stripe / WayForPay)
✓ Offline caching of data (CoreData / SwiftData)
✓ Support of dark and light themes, Dynamic Island
✓ Analytics of events (Firebase / AppsFlyer) and 90 days of warranty
Choose 'Production iOS'
For banking, logistics, and large ecosystems

Enterprise iOS Suite

Highly loaded corporate solution: support for iPadOS / WatchOS, integration with ERP, hardware encryption and personal team.

Development time: from 14–18 weeks
Work Scope:
✓ Everything included in the 'Production iOS App' package
✓ Adaptation of the interface for iPadOS and Apple Watch
✓ Custom Live Activities and interactive widgets iOS
✓ Bank-level security: Secure Enclave, SSL Pinning
✓ CI/CD pipeline (Fastlane / GitHub Actions) for automated builds
✓ A dedicated development team and priority SLA 24/7
Choose 'Enterprise iOS'
← Swipe options →
[ COST CALCULATOR ]

Evaluate the previous budget for iOS app development

Select the required modules and get a preliminary calculation of line durations and costs

1. Type of your mobile application: Select Variant

2. Required Features and Integrations: Select Variant

3. Status of the server part (Backend / API): Select Variant

CHOOSEN PARAMETERS OF THE SOLUTION:
⏱ Estimated Timeline: Calculation... 👥 Team: 2–3 engineers
1. Type of your mobile application: E-Commerce / Online Store
2. Required Features and Integrations: Standard set (Authentication, Push, API)
3. Status of the server part (Backend / API): Ready working REST/GraphQL API
✓ Parameters will be fixed in the application form
Get an exact quote
[ STAGES OF COOPERATION ]

How the project is delivered

Transparent process from first contact to final release on your domain.

01
1–2 weeks

Analytics, Requirements, and User Flow

We detail record the application functionality, the user transition map (User Journey Map) and the API method specification.

02
2–3 weeks

UI/UX Design in Figma

We draw all application screens, create an interactive prototype, clickable on iPhone, and approve the visual style.

03
4–8 Weeks

Native coding (Swift / SwiftUI)

We write reliable code with two-week sprints. After each sprint, you receive a new working build in TestFlight.

04
1–2 weeks

QA testing and optimization of speed

We check memory through Xcode Instruments, absence of crashes, memory leaks and UI rendering speed.

05
1 Week

Release to App Store and warranty support

We pass Apple’s strict review, publish the app worldwide, and provide warranty support starting from 90 days.

Our Clients

Companies that have entrusted ALL IT Agency with the development and scaling of their digital solutions

Partner Case 6
TOV Zagin Alpha
Meregi Group
DIM Service
Partner Case 11
Partner Case 5
Wizeclub
Valikhnovski Surgery Institute
Partner Enterprise
Partner Case 6
TOV Zagin Alpha
Meregi Group
DIM Service
Partner Case 11
Partner Case 5
Wizeclub
Valikhnovski Surgery Institute
Partner Enterprise
[ FREQUENT QUESTIONS ]

Answers to common questions from customers

Key details regarding terms, independent website editing, and rights transfer.

Swift is Apple’s official language. It provides maximum performance without lag (120 FPS), the lowest power consumption, access to all the latest iOS APIs on the day they are released, and freedom from bugs in third-party cross-platform libraries.

An Apple Developer Program registered corporate account is required (99$/year for a legal entity or individual entrepreneur). We help with D-U-N-S verification, prepare screenshots, license agreement text, and accompany the entire verification process with Apple censors.

We use the official Apple TestFlight service. You and members of your team receive links to your iPhone and can test the app in real-time mode after each completed development stage.

100% ownership rights to all written code, design mockups, encryption keys and account records are transferred to your company upon completion of the work via an official acceptance-transfer act.

Yes. We provide from 60 to 90 days of free warranty support: if any discrepancies with the technical specification are found, we fix them free of charge and promptly update the build in the App Store.

Share this service with partners or colleagues

Fast delivery to the working chat or copying the link for budget approval

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Do you need a modern mobile app for iOS?

Describe your business task. Our leading iOS architect will analyze the requirements and provide a technical assessment and project roadmap within 24 hours.

Confidentiality

Official NDA contract for system audit

Quick Feedback

We will contact you within 15 minutes during business hours.

Order development of iOS app

The tech lead will contact you within 15 minutes during working hours