The first reaction to iOS development is to install Xcode, which is no problem. But if you ask developers who have used other IDEs, you may hear different answers—some use VS Code with Swift plugins to write code, some use AppCode (though it has been discontinued), and others use Vim plus command-line compilation in the terminal. The IDE options for iOS development are actually more numerous than you might think, but most solutions have shortcomings in some aspect.
Comparison of Existing Solutions
Xcode is Apple’s official IDE, integrating an editor, compiler, debugger, and Instruments performance analysis tools. Its strength lies in the best compatibility within a closed ecosystem, with first-time support for features in new systems and SDKs. The shortcomings are also obvious: the installer is over a dozen gigabytes, startup and indexing take a long time, and when a project becomes large, even changing one line of code requires waiting for the entire workspace to load. Coupled with DerivedData and various caches, a 256G Mac will soon need to free up space.
VS Code with the Swift plugin can write Swift code, providing good syntax highlighting and code completion. However, compilation and real-device debugging of iOS projects cannot bypass Xcode’s toolchain—you ultimately need to go back to Xcode or use the xcodebuild command line to compile. This means writing code in the editor, starting compilation in the terminal, and returning to Xcode for debugging, with the toolchain switching between multiple windows.
Remote Mac compilation is another approach: write code with VS Code on Windows or Linux, then SSH into a remote Mac to execute xcodebuild. The coding environment can be freely chosen, but it relies on network stability, and every compilation verification after code changes requires the upload→remote compile→download chain, which affects the iteration pace. Moreover, configuring certificates and signing in a remote environment can also be a sticking point.
KXApp’s IDE Approach
KXApp is developed based on VS Code, retaining VS Code’s shortcuts, plugin ecosystem, and interface layout at the editor level. Developers accustomed to VS Code can get started without an adaptation period. The difference is that it has a built-in iOS compilation toolchain—it can compile and sign iOS applications without installing Xcode on the system, and there is no need to configure the xcodebuild environment separately.
Project creation supports three templates: Swift, Objective-C, and Flutter. After selecting the type, a standardized project structure can be generated with one click. iOS-side compilation of Flutter projects typically relies on Xcode’s underlying toolchain. KXApp directly embeds the relevant support, so opening a Flutter project allows you to run it on a real iOS device. The real-device debugging process is also simplified: connect an iPhone via USB, click one-click build and install, and the tool automatically handles signing and deployment—there is no need to open Xcode’s Devices window to configure certificates and provisioning profiles. After debugging, you can package and build directly in the same interface for test distribution or uploading to the App Store.
Which to Choose Depends on the Scenario
Xcode remains a must-have for complex project configuration, Storyboard/XIB editing, and Instruments performance analysis. KXApp is more suitable for rapid prototyping, Flutter project validation, Windows developers participating in iOS coding, and scenarios with limited disk space. Having one more option in the toolchain is not a bad thing; just choose the one that feels convenient for your current scenario.