100%
Native performance
Full
Apple APIs
95%
Native rendering performance
30+
Apps shipped
6-12wks
From kickoff to App Store
6+
Years delivering products
95%
Native rendering performance
30+
Apps shipped
6-12wks
From kickoff to App Store
6+
Years delivering products

The short answer

Under the hood · How it works

Swift is Apple’s native programming language for iOS, macOS, watchOS, and visionOS. Every pixel is rendered by Apple’s own Metal pipeline — no bridge, no JS thread, no third-party rendering engine. The result is 100% native performance, full access to every Apple API, and the tightest possible integration with Apple hardware.

Bolder uses Swift when the project demands the best possible iOS experience — premium consumer apps, fintech requiring Secure Enclave and Face ID, healthcare apps needing HealthKit compliance, or anything that benefits from ARKit and Apple’s spatial computing stack. Cross-platform isn’t always the right answer. Sometimes iOS-first is the product strategy.

The conversations that bring native iOS projects to Bolder.

Real scenarios that bring native Swift projects to Bolder. If one sounds familiar, we’ve built it before.

Premium iOS consumer apps

Premium iOS apps with SwiftUI, custom animations, and pixel-perfect UI that React Native and Flutter can't match on Apple hardware.

Healthcare & wellness iOS apps

HealthKit, CareKit, ResearchKit integrations with HIPAA-compliant architecture and biometric authentication.

Fintech & banking iOS apps

Fintech apps requiring Secure Enclave, Face ID, and Apple Pay — no third-party bridge touching sensitive data.

AR & spatial computing apps

AR apps with ARKit, LiDAR, and RealityKit. Only native Swift has full access to Apple’s spatial computing APIs.

Apple ecosystem multi-device apps

Apple Watch, iPad, and Apple TV apps that share logic with the iPhone app via Swift Package Manager.

On-demand & location iOS apps

High-performance iOS apps for on-demand services with real-time maps, Core Location, and push notifications.

Native SwiftUI Rendering

SwiftUI with declarative state management via Combine. No bridge, no JS thread — every frame rendered by Apple’s own Metal pipeline.

UI framework
SwiftUI
Reactivity
Combine / @Observable
Render engine
Metal (Apple)
Performance
100% native

Apple Security Stack

Keychain, Secure Enclave, Face ID, Touch ID, and App Attest — Apple’s full security stack only accessible to native Swift.

Auth methods
Face ID / Touch ID
Data storage
Keychain + Secure Enclave
Payments
Apple Pay
Fraud prevention
App Attest + DeviceCheck

ARKit & Spatial Computing

ARKit, RealityKit, LiDAR — full access to Apple’s spatial computing stack. Flutter and React Native have no equivalent.

AR framework
ARKit 6
3D engine
RealityKit 2
Depth sensing
LiDAR Scanner
visionOS ready
Yes

TestFlight & App Store Pipeline

Weekly TestFlight builds, Xcode Cloud CI, App Store submission and review handling — all in scope from day one.

Build cadence
Weekly TestFlight
CI tool
Xcode Cloud + Fastlane
Submission
Handled by Bolder
Review handling
Included in scope
Why Swift

When native Swift is the right call.

Swift is the right call when iOS performance, Apple hardware access, or App Store quality standards are non-negotiable.

100% native. Zero bridge overhead.

SwiftUI renders every frame through Apple’s Metal pipeline. No bridge overhead, no JS thread, no cross-platform tax.

Interface showing brand mode toggle on, 120 fps reading, and 16ms frame time graph.

Full Apple security stack.

Face ID, Secure Enclave, Apple Pay, App Attest. Only native Swift gets full access to Apple’s security hardware.

Three overlapping cards with black and orange backgrounds, the front orange card has three horizontal stripes.

ARKit & spatial computing.

ARKit, RealityKit, LiDAR, visionOS. Flutter and React Native have no equivalent access to Apple’s spatial stack.

Progress bar showing weeks 1 to 10 with milestone markers at weeks 1, 2, 8, and 10.

Weekly TestFlight builds. App Store submission, review handling, and resubmission handled by Bolder. All in scope.

Weekly TestFlight builds. App Store submission, review handling, and resubmission handled by Bolder. All in scope.

Flutter

React Native

Performance ceiling
100% native
95% native
90% native
Apple hardware access
Full
Partial
Partial
App Store approval rate
Highest
Good
Variable
ARKit / visionOS
Single codebase
Best for
Premium iOS, max performance
Cross-platform, fast MVP
JS teams
Performance ceiling
Apple hardware access
App Store approval rate
ARKit / visionOS
Single codebase
Best for
100% native
Full
Highest
Premium iOS, max performance

Flutter

95% native
Partial
Good
Cross-platform, fast MVP

React Native

90% native
Partial
Variable
JS teams

Industries we’ve shipped native Swift apps for.

Swift’s full Apple API access makes it the right choice for demanding apps across these industries.

FinTech

We help fintech companies solve complex financial problems with secure, scalable technology that meets real business needs.

Healthcare

We build healthcare and wellness software that supports patient care, data security, and smooth daily operations.

On-Demand

We build on-demand software that manages high traffic, real-time updates, and complex workflows with ease.

Professional

We build secure and scalable systems that support service delivery, client management, and operational efficiency.

Firebase

Auth, Realtime Database, Cloud Functions — the default Swift backend stack at Bolder.

Stripe

In-app payments, subscriptions, and Apple Pay via Stripe’s native iOS SDK.

Node.js

REST and GraphQL backends built in Node.js powering Swift iOS apps.

AWS

Scalable cloud infrastructure, S3 for media, Lambda for serverless functions.

Auth0 / Clerk

Enterprise-grade auth for iOS apps — SSO, MFA, and social login.

OpenAI API

AI features, vision APIs, and natural language processing in Swift apps.

Bold Answers to Bolder Questions

Can't find what you're looking for? Get in touch with our team.

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Bolder Apps did everything in great detail, especially their scoping process. Their design skills really stood out throughout the project, and they were able to create a thoughtful final product that brought our vision to life.

Steve Anavi
Senior Manager, Qonto

Bolder Apps really took the time to understand what we were trying to achieve. They transformed our ideas into a user-friendly, polished product. The entire experience was smooth, and the end result was exactly what we were looking for.

Anna Haberfellner
Senior SDR, Rydoo

Bolder Apps moved the project very smoothly and made the entire process easy from start to finish. They were professional, always quick to answer any questions we needed, and great to work with. The final result was delivered exactly as promised.

Len Swegart
Senior Corporate Relations Manager, American Cancer Society

They moved the project very smoothly.

Len Swegart
Senior Corporate Relations Manager, American Cancer Society
Get in touch

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We prepare a proposal and review it collaboratively
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