App Designer
Create and run Apps offline
$2.99 · In‑App Purchases
Turn your iPhone or iPad into a powerful Swift development environment. App Designer lets you write, execute, and debug Swift code — completely offline, no Mac or Xcode needed.
Live Code Execution
Run your Swift code instantly with real-time output. See your SwiftUI and UIKit interfaces come to life in a built-in canvas preview, side by side with your code editor.
Professional Code Editor
Syntax highlighting with 89 color themes
Smart autocomplete for Swift, SwiftUI & UIKit
Adjustable font size and line wrap
Bracket matching and auto-insertion
Full Debugging Tools
Set breakpoints on any line
Step over, step into, and step out
Current line highlighting during execution
Inline error and warning messages — just like Xcode
SwiftUI & UIKit Support
Build interfaces with both frameworks. Use VStack, HStack, NavigationStack, @State, gestures, animations, and more in SwiftUI. Create UIViews, buttons, labels, auto layout, and Core Animation in UIKit.
Project Management
Manage unlimited projects in your app gallery
Add custom app icons from your photo library
Import images as resources for your apps
Duplicate, rename, or delete projects with ease
Learn by Example
Get started quickly with built-in example projects covering SwiftUI animations, UIKit layouts, file handling, image manipulation, and more.
100% Offline
No internet connection required. Write and run code anywhere — on the train, on a plane, or on your couch.
Pro Features
Unlock on device AI Assistant or Cloud AI Provider like Claude, Gemini and ChatGPT, SwiftUI rendering mode and combined UIKit + SwiftUI execution with a Pro subscription. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Also available as a one-time lifetime purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Whether you're a student learning Swift, a developer prototyping ideas on the go, or just love coding — App Designer gives you the tools to build real apps right from your pocket.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Computed Bindings
The developer, Norbert Grieger, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Norbert Grieger
- Size
- 31 MB
- Category
- Developer Tools
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Lifetime $49.99
- Pro Yearly $24.99
- Pro Monthly $3.99
- Copyright
- © Grieger