App Designer vs CodeMecha

Turn your iPhone, iPad or Mac into a powerful Swift development environment. App Designer lets you write, run, preview, organize, and debug Swift code directly on your device — completely offline and without Xcode. Build SwiftUI, UIKit, and RealityKit projects with live code execution, a built-in canvas preview, professional editing tools, Xcode project import/export, and an integrated AI assistant that can work offline or with your own online provider. Write Swift Anywhere Run Swift code instantly and see real-time output while you build. Preview SwiftUI and UIKit interfaces side by side with your code and bring your ideas to life directly on your device. Professional Code Editor Enjoy syntax highlighting with 89 color themes, smart autocomplete for Swift, SwiftUI, and UIKit, adjustable font size, line wrap, bracket matching, and automatic bracket insertion. Built-in Debugging Tools Set breakpoints, step through your code, highlight the current execution line, and view inline errors and warnings directly in the editor. SwiftUI, UIKit & RealityKit Create modern SwiftUI interfaces with VStack, HStack, NavigationStack, @State, gestures, animations, and more. Build UIKit views with buttons, labels, Auto Layout, and Core Animation. Explore 3D content with RealityKit, including RealityView, MeshResource, and Entity loading. Xcode Project Import & Export Import existing Xcode projects, continue working on the go, and export them back to Xcode when you're ready to keep building on your Mac. Project & Asset Management Manage your growing app gallery with folders, multiple pages, sorting options, Spotlight-style search, and an “Only Active” filter. Browse resources with a built-in file explorer, import images and files, add custom app icons, personalize your gallery with wallpapers, and duplicate, rename, or delete projects with ease. Learn by Example Start quickly with built-in example projects covering SwiftUI animations, UIKit layouts, file handling, image manipulation, and more. 100% Offline No internet connection required. App Designer gives you the tools to build real Swift apps right from your pocket. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Build real apps from anywhere with CodeMecha — an AI-powered code editor that runs in the cloud. Every project gets its own isolated workspace with a full development environment, terminal, and live preview. Write code, ask AI for help, and see your changes instantly, all from your iPhone. AI-Powered Coding Chat with AI to build features, fix bugs, or scaffold entire projects. The assistant can read your files, write code, run commands, and search your codebase, all in one conversation. Attach files for context and watch the AI work in real time with streaming responses. Full Terminal Access Run commands, install packages, and manage your project with a built-in terminal. Persistent sessions mean you can pick up right where you left off. Live Preview See your app running live as you build. Frontend and backend services start automatically and are accessible through your workspace. Git & GitHub Integration Track changes, stage files, view diffs, and commit — all built in. Connect your GitHub account to import repos, create new ones, or push and pull directly from your device. Choose Your AI Model Select from a range of free AI models, or bring your own OpenRouter API key to unlock premium models like GPT-5 and Claude. Cloud Workspaces Each workspace is a full container environment with Node.js, Go, and more. Start with a Vue frontend template or a fullstack Vue + Go template. No configuration needed. Key Features: - AI assistant that writes, reads, and runs code - Built-in terminal with persistent sessions - File browser with inline editing - Git status, staging, diffs, and commits - GitHub import, push, and pull - Live service preview - Service logs monitoring - Multiple AI model options - Works on iPhone and iPad Get started instantly as a guest, or sign in with Google or Apple to keep your workspace permanently. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/