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JetBrains IDE Plugin

Flexible Swift: Swift and iOS IDE Plugin for JetBrains

Write Swift, debug with LLDB and run your app in the iOS Simulator, all inside your JetBrains IDE.
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JetBrains IDEs: IntelliJ IDEA · PyCharm · WebStorm · PhpStorm · and other JetBrains IDEs

LLDB
Debugger for Swift
iOS
Simulator support
MCP
AI assistant and MCP server

01

Run Your App in the iOS Simulator

Build, install and launch your iOS app in the iOS Simulator from the IDE. The plugin uses xcodebuild, and you pick the scheme and configuration. The Run window shows the build output with clickable file and line references.
A Swift project in the IDE next to an iPhone 17 Pro simulator showing the running Yarn Squirrel app, with the build output below

02

Choose Your Device

The iOS Simulator tool window lists the available iPhones and iPads with their iOS runtime and state. Pick a device and start it from the IDE.
iOS Simulator tool window listing iPhone and iPad models with iOS 26.2 and 26.1 runtimes

03

Live Templates

Type sw: and press Tab to expand live templates for actor, async, class, closure, do, enum, extension, for, func and guard. There are also 13 postfix templates, such as .if, .guard, .let, .unwrap, .map and .filter.
Completion popup after typing sw with the live templates sw:actor, sw:async, sw:class, sw:closure and sw:guard

04

Context-Aware Completion

Get local symbols, dot completion and contextual keywords. Completion also offers SwiftUI modifiers for view building. In the screenshot, typing Te lists Text, TextEditor and TextField.
Completion popup after typing Te inside a SwiftUI view, listing Text, TextEditor and TextField

05

Structure View and Navigation

The structure view shows functions, properties, enums and extensions of the open file. Go to declaration (Ctrl+Click), go to implementation (Ctrl+Alt+B), find usages (Alt+F7) and call hierarchy (Ctrl+Alt+H) work across your project.
Structure tool window listing the struct, functions, properties and enum cases of a Swift view

06

Debug with LLDB

Set line breakpoints in .swift files and click Debug on an iOS Simulator run configuration. The plugin builds, installs and launches the app suspended and attaches LLDB. Step over, step into, step out and inspect local variables at the breakpoint.
A breakpoint hit in a Swift file with local variables in the Debug window and the app visible in the iOS Simulator

Simple, Transparent Pricing

Start with a 7-day free trial. Purchase through JetBrains Marketplace.

Individual

For solo developers

$4.90/month

or $49/year (save 17%)

  • Swift 5.x language support
  • LLDB debugger
  • iOS Simulator run configurations
  • Live and postfix templates
  • AI assistant and MCP server
Get Started

TEAMS

Organization

For teams and companies

$9.90/month

or $99/year (save 17%)

  • Everything in Individual
  • Organization license for teams and companies
  • The same 7-day free trial
  • Purchase through JetBrains Marketplace
Get Started
Students & open source contributors: Contact us about discounts. Your first feedback earns 20% off the annual subscription.

Write Swift in Your JetBrains IDE

Install Flexible Swift from the JetBrains Marketplace and open a Swift project.
Start Free Trial