Swift App Development Agency

Bespoke Apple Apps Built in Native Swift

We build high-performance, visually gorgeous iOS and macOS applications using Apple's Swift language and SwiftUI — bringing native smoothness, security, and hardware sync.

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Direct Desk: apps@trustoryx.digital

25+

iOS Apps Shipped

120Hz

ProMotion Speeds

Store Rejections

4.9★

App Store Rating

Growth Obstacles

Problems This Solves

Your app has visual stuttering because cross-platform bridges cannot handle heavy UI calculations.

Your application got rejected by Apple reviewers due to UI elements that break Human Interface Guidelines.

You need native Apple integrations like FaceID, WidgetKit, Live Activities, or Apple Pay that hybrid wrappers cannot support.

Your legacy Objective-C app has memory leaks, crashes randomly, and is expensive to maintain.

Methodology

Our Proven Process

HIG Interface Design

We map screens in Figma adhering strictly to Apple Human Interface Guidelines standards.

SwiftUI Layout Coding

We write clean SwiftUI and Swift code to build responsive views and hardware-accelerated animations.

Keychain & Local Storage

We implement CoreData or SwiftData and utilize Apple Keychain modules for secure credentials storage.

Apple Integrations Sync

We configure native hooks for FaceID, Apple Pay SDK, WidgetKit, and Live Activities.

TestFlight & App Release

We debug memory leaks in Xcode, release beta builds on TestFlight, and submit to the Apple App Store.

HIG Interface Design

We map screens in Figma adhering strictly to Apple Human Interface Guidelines standards.

SwiftUI Layout Coding

We write clean SwiftUI and Swift code to build responsive views and hardware-accelerated animations.

Keychain & Local Storage

We implement CoreData or SwiftData and utilize Apple Keychain modules for secure credentials storage.

Apple Integrations Sync

We configure native hooks for FaceID, Apple Pay SDK, WidgetKit, and Live Activities.

TestFlight & App Release

We debug memory leaks in Xcode, release beta builds on TestFlight, and submit to the Apple App Store.

Scope of Work

What's Included

Native Swift / SwiftUI source code repository

Figma UI mockup files mapping to Apple HIG guidelines

Configured Xcode project files with test suites

Store listings asset package (custom sizes icons, mockups)

TestFlight beta tester configuration maps

Key-value storage and local databases configurations

Codebase walkthroughs and architectural documentation

45-day post-launch support and App Store approval warranty

Growth Targets

Expected Results

120Hz ProMotion layouts with fluid UI scroll speeds

Guaranteed Apple App Store review approval

Low battery consumption and minimal memory usage

Secure credentials saving utilizing Apple native hardware keychain

Real-time home-screen updates via WidgetKit configurations

Tech Stack

Technologies We Master

Swift

SwiftUI

Xcode

CoreData

Combine

Keychain API

TestFlight

StoreKit SDK

Exhaustive Solutions

Comprehensive Capabilities

We don't just scratch the surface. Here is a detailed breakdown of everything we can engineer, optimize, and execute for your business.

SwiftUI Interface Design

Coding fluid, custom interface assets, lists, and pages using modern reactive structures.

Live Activities & Widgets

Developing WidgetKit blocks and Live Activities panels to display real-time status info.

Hardware Integration

Bridging iOS apps with device capabilities like FaceID, CoreLocation, Core Bluetooth, and NFC.

Keychain Data Caching

Configuring secure Keychain storage for user tokens and encrypting local sqlite/CoreData files.

Xcode Memory Profiling

Using Xcode Instruments to identify memory leaks, debug threads, and optimize frame-rates.

StoreKit Subscriptions

Setting up StoreKit 2 APIs to handle in-app purchases, recurring billing, and premium paywalls.

Specialized Focus

Specialized Services

Explore our specialized engineering teams and tailored solutions for this domain.

Android App Development

Native Kotlin Android apps for the Play Store.

React Native Development

High-performance React Native cross-platform apps.

UI/UX Design

User research, wireframing, and Figma prototyping.

Transparent Pricing

Investment Plans

Transparent pricing with no hidden fees. Every plan includes dedicated support and monthly reporting.

iOS Native MVP

$8,000USD · USD fallback/starting

A native iOS MVP utilizing SwiftUI, focused on launching core features on the App Store.

Up to 8 custom native screens

SwiftUI responsive layout framework

CoreData offline local database

Standard Apple push notifications

App Store submission assistance

14-day post-launch support

Source code repository ownership

Build iOS MVP

Custom App Build

$16,000USD · USD fallback/starting

A bespoke iOS application featuring custom styling, notifications, and animations.

Up to 20 native application screens

Custom SwiftUI transition animations

Apple Pay gateway configurations

WidgetKit home-screen widgets

Live Activities dynamic notifications

Unit & integration test suites

30-day post-launch support

App Store Optimization (ASO) help

Build Custom App

Enterprise Apple System

$32,000USD · USD fallback+/project

Complex iOS/macOS systems featuring multi-role setups, device syncs, and advanced security.

Unlimited pages & custom layouts

macOS, iPadOS, and watchOS ports

Core Bluetooth & NFC IoT hardware sync

High-security encryption protocols

StoreKit subscriptions configurations

Priority SLA support contracts

90-day post-launch support

24/7 Slack communication channel

Discuss Enterprise Project

All plans are month-to-month with no long-term contracts. Custom enterprise plans available.Contact us for a tailored proposal.

Why Trustoryx

Why Choose Us

No Long-Term Contracts

Month-to-month engagements. We earn your business every single month.

Dedicated Team

A named strategist, not a rotating cast of juniors. Consistent point of contact.

Revenue-Focused

We report on revenue impact, not vanity metrics. Every dollar is attributed.

Rapid Execution

Strategy in week 1. Execution by week 2. Results tracked from day one.

Support

Frequently Asked Questions

Swift offers unmatched rendering speeds, better battery efficiency, and instant access to Apple's latest iOS features (like Live Activities or spatial audio). If your application requires intensive graphics, device syncing, or watchOS apps, Swift is the correct choice.

We build primarily using SwiftUI for modern, clean UI code, but we integrate UIKit when interfacing with older APIs or when specific, low-level layout overrides are needed.

We guarantee store approval. We review Apple's App Store Review Guidelines from day one. If Apple requests modifications during review, we complete them at no extra cost.

Yes. We code secure URLSession request pipelines using Swift Codable structures to sync data with any external REST, GraphQL, or gRPC backend API.

Ready to Get Started?

Start with a free audit. We'll analyze your current performance and show you exactly where the growth opportunities are.

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Or email our dedicated desk: apps@trustoryx.digital