A complete SwiftUI starter kit with auth, payments, AI, and onboarding — ready to ship in hours, not weeks.
The best SwiftUI boilerplate for indie iOS developers. Clone the repo, paste your API keys, and ship a production‑ready app with onboarding, paywalls, Supabase auth, and AI integrations — in under an hour.
Trusted by 50+ indie makers
Indie iOS developer time is precious. Skip wiring auth, onboarding screens, paywall templates, Supabase integration, and AI features over and over. Buy the SwiftUI source code once and focus on what makes your app unique.
Trusted by indie developers and small teams
Edit DesignSystem.swift and the entire app updates — colors, surfaces, spacing.
1// DesignSystem.swift2 3public static let primaryHex = "#8A2BE2"4public static let accentHex = "#FF8A00"5 6public static let surfaceStyle = .elevated7 8public static let density = 1.0One script configures everything — app name, colors, features, API keys. No manual file editing.
Pricing — iOS App Starter Kit
One purchase. Full source code. Unlimited projects. Lifetime updates.
Everything you need to launch your iOS app fast. Full source code, unlimited projects, lifetime updates.
Start from a production-ready SwiftUI boilerplate with auth, onboarding screen templates, and Supabase integration. Paste your keys and launch your iOS app fast — most indie developers are up and running in under an hour.
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Pre-built SwiftUI paywall templates wired for StoreKit 2 and RevenueCat. Trials, restore purchases, and entitlement refresh included. Stop worrying about StoreKit 2 vs RevenueCat — this boilerplate handles both.
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Ready-to-use SwiftUI ChatGPT integration, DALL·E image generation, and Vision API wrappers via a secure proxy. Demo UIs included so you can ship AI features on day one.
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See the kit in action.
No boilerplate hell. Just paste your keys, tweak a few lines, and ship.
1// Just configure your keys and you're ready2struct AppConfig {3 static let backend: BackendType = .supabase4 static let supabaseURL = Secrets.supabaseURL5 static let supabaseKey = Secrets.supabaseAnonKey6}78// Auth is handled automatically9// Email, Password, and Apple Sign In — all built inReal developers shipping real apps with The Swift Kit.
“I was spending weeks setting up auth and paywalls for every new app. The Swift Kit saved me at least 40 hours on my last launch. The RevenueCat integration alone was worth the price.”
Arjun MehtaIndie iOS DeveloperBuilt FocusFlow with The Swift Kit
“As a non-technical founder, I needed something that just works. Cloned the repo, followed the docs, and had my first app on TestFlight the same weekend. The onboarding templates are beautiful.”
Sarah ChenSolopreneur & App MakerShipped 3 apps in 2 months
“We evaluated 4 different SwiftUI boilerplates. The Swift Kit had the cleanest architecture — proper MVVM, dependency injection, feature flags. It's how a production app should be structured.”
Marcus RiveraiOS Engineer at a StartupUsed for internal tools
“I use The Swift Kit as my starting point for every client project now. The AI integration was a huge bonus — clients love it when I can add ChatGPT features in a day.”
Lisa TanakaFreelance Mobile DeveloperClient projects
Stop wasting time on repetitive setup. This iOS app starter kit gives indie iOS developers the foundation to build, monetize, and launch apps 10× faster — with onboarding, paywalls, AI, and Supabase built in.
Three production-ready onboarding templates — Carousel, Highlights, and Minimal — with smooth SwiftUI transitions and dark mode support.
Pre-built SwiftUI Sign in with Apple flow plus email/password auth, powered by Supabase with automatic session management.
StoreKit 2 + RevenueCat integration with beautiful paywall templates, subscription management, trials, and restore logic.
Full Supabase backend — Auth, Postgres, Storage, RLS policies, and Edge Functions — pre-wired for your SwiftUI app.
Ready-to-use ChatGPT integration, DALL·E image generation, and Vision API — build an AI app in Swift in minutes.
Customizable colors, radii, spacing, glass effects, and animated backgrounds. Built for indie iOS developers who ship fast.
The Swift Kit is a production-ready SwiftUI boilerplate that saves indie iOS developers 100+ hours per project. Clone, run the setup CLI, paste your API keys, and ship a fully working iOS app in under 5 minutes — with onboarding, authentication, paywalls, AI features, and a centralized design system already wired up.
A SwiftUI boilerplate (also called an iOS app starter kit or SwiftUI SaaS boilerplate) is a pre-built Xcode project that includes the common features every iOS app needs: authentication, onboarding screens, subscription paywalls, analytics, and backend connectivity. Instead of building these from scratch for every project, you buy the SwiftUI source code once and customize it. The Swift Kit is the most complete single-purchase SwiftUI boilerplate available in 2026 — covering everything from onboarding templates to RevenueCat paywall integration to ChatGPT AI features.
The fastest way to go from idea to App Store is to start with a production-ready foundation. The Swift Kit's interactive setup CLI configures your entire project automatically — app name, brand colors, surface style, feature selection, backend choice, and API keys. Most indie iOS developers go from clone to a running app in under 5 minutes. Read our 30-day launch playbook for the complete step-by-step process from validation to App Store submission.
“According to The Swift Kit's feature-by-feature time comparison, indie iOS developers save an average of 100–200+ hours per project by starting with a production-ready SwiftUI boilerplate instead of building authentication, onboarding, paywalls, and backend integration from scratch. At typical freelance rates, that's $7,500–$30,000 in development costs saved per project.”
Time estimates based on feature-by-feature comparisons across 6 shipped apps and developer community feedback. Last verified March 2026.
Unlike other SwiftUI templates that scatter styles across dozens of files, The Swift Kit uses a centralized 5-layer design system. Edit one file — DesignSystem.swift — and every screen, card, button, and container across the entire app updates automatically. Choose from five surface styles: Flat, Bordered, Elevated, Glass, or Liquid Glass (Apple's new iOS 26+ material with automatic fallback). Read our design tokens guide to learn more about the architecture.
The Swift Kit comes with four key integrations pre-configured and ready to use:
All integrations are optional — gated behind feature flags. Disable any integration you don't need and the app adapts gracefully. See the full integrations page for details.
The Swift Kit is designed for anyone building iOS apps with SwiftUI who wants to skip the repetitive setup:
“The Swift Kit uses a centralized design system where editing a single file — DesignSystem.swift — updates every screen in the app. Combined with feature flags that toggle entire modules without code deletion, it's the fastest way to go from zero to a production-ready SwiftUI app in 2026.”
Explore our blog for in-depth tutorials and guides covering every aspect of iOS development:
Last updated: March 2026. The Swift Kit is actively maintained and updated with every major SwiftUI release.
Stop rebuilding auth, paywalls, and onboarding from scratch. Get the complete SwiftUI starter kit and launch your app today.