iOS

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Wails v3 applications run on iOS as native UIKit apps: a WKWebView renders the frontend, assets are served in-process over a custom wails:// URL scheme (no localhost server, no open ports), and the standard @wailsio/runtime works unchanged — service bindings, events, dialogs and the clipboard use the same /wails/runtime transport as on desktop.

The same main.go builds for desktop and iOS. iOS-specific behaviour is configured through application.Options.IOS, with per-platform Go files guarded by //go:build ios.

Requirements

macOS with full Xcode installed (the command-line tools alone are not enough) — wails3 doctor shows the iOS SDKs it can find
Go 1.24+ and npm

Running on the Simulator

From your project directory:

wails3 task ios:run

This generates the iOS scaffolding (build/ios/), compiles your Go code as a C archive (GOOS=ios), links it against UIKit, bundles, signs ad-hoc, boots a simulator if necessary, and launches the app.

Useful companions:

wails3 task ios:logs:dev    # stream the app's logs from the simulator
wails3 task ios:xcode       # open the generated Xcode project

In debug builds the webview is inspectable from Safari’s Develop menu.

Packaging

wails3 task ios:package             # production .app for the simulator
wails3 task ios:deploy-simulator    # install + launch it

Production builds use -tags production,ios, are stripped, and compile out the framework’s internal diagnostics.

Device builds

wails3 task ios:package IOS_PLATFORM=device \
    CODESIGN_IDENTITY="Apple Development: You (TEAMID)" \
    PROVISIONING_PROFILE=path/to/profile.mobileprovision

wails3 task ios:deploy-device [DEVICE_ID=<udid>]     # via xcrun devicectl
wails3 task ios:package:ipa IOS_PLATFORM=device ...  # distribution .ipa

IOS_PLATFORM=device selects the iphoneos SDK and the arm64-apple-ios<min> target. Entitlements from build/ios/entitlements.plist are applied to device builds only — get-task-allow by default; add capability keys as your app needs them.

Configuration

build/config.yml:

ios:
  bundleID: com.example.myapp
  displayName: My App
  version: 1.0.0
  minIOSVersion: "15.0"

Application options (application.Options.IOS) include DisableScroll, DisableBounce, DisableScrollIndicators, DisableInputAccessoryView, EnableBackForwardNavigationGestures, DisableLinkPreview, EnableInlineMediaPlayback, EnableAutoplayWithoutUserAction, DisableInspectable, UserAgent, ApplicationNameForUserAgent, BackgroundColour, and native bottom tabs via EnableNativeTabs + NativeTabsItems.

The frontend can drive iOS features at runtime through the IOS runtime object — IOS.Haptics.Impact(style), IOS.Device.Info(), IOS.Scroll.SetEnabled(...) — and native tab selections arrive as a nativeTabSelected CustomEvent on window.

What works, what doesn’t

Area	Status
WKWebView + in-process assets (`wails://`)	✅
Service bindings, events (both directions)	✅
Message dialogs	✅ UIAlertController with button callbacks
Open file / files / directory dialogs	✅ UIDocumentPicker (files imported as sandbox copies)
Save file dialogs	❌ Returns an error — write inside the app sandbox instead
Clipboard	✅ UIPasteboard
Screens API	✅ UIScreen metrics incl. safe-area work area
Lifecycle events (`events.IOS.*`)	✅
Window geometry, menus, system tray	Intentional no-ops
Multiple windows	Only the first window is displayed

Porting notes

Desktop code compiles unchanged under GOOS=ios; geometry/menu/tray calls become no-ops because iOS apps are fullscreen.
ios implies the darwin build tag: macOS-only files need //go:build darwin && !ios, and at runtime runtime.GOOS is "ios".
Replace save-file dialogs with writes into the app sandbox (for example the Documents directory) plus a share flow.
Design the frontend responsively; safe areas are handled natively.