RocketSim for Xcode Simulator

30+ iOS Developer Utilities

Only for Mac

Free · In‑App Purchases

Mac

Automate, inspect, and interact with the iOS Simulator from Al coding agents. Debug networking, capture polished demos, and ship faster with 30+ developer tools. RocketSim enhances the Xcode Simulator for iOS and iPadOS development: boost productivity and streamline your workflow with capture, networking, build insights, and quick actions beside the Simulator. Developers report building, testing, and verifying apps up to 2x faster per RocketSim Developer Research. Key Highlights - Polish screenshots and App Store Connect preview videos: open captures in the editor from the floating thumbnail, then tune bezels, touches, backgrounds, metadata, trim, and GIF export with App Store Connect-friendly dimensions—ideal for Swift, SwiftUI, and UIKit demos - Debug networking without proxy certificates: throttle or drop traffic, Airplane Mode for your running app only, and inspect traffic via RocketSim Connect; use Copy Summary when you need a redacted line to paste into Slack or an agent prompt - Track local build time trends next to Xcode with Build Insights across versions - Exercise universal links, APNs payloads, GPS and time zones, environment overrides, and a VoiceOver overlay with keyboard navigation from the side window - Pro: Simulator framebuffer recording up to 120 fps for fluid motion Feature Breakdown Screenshots and Recordings - Start from the Captures tab in the side window; after capture, refine in the editor before export - Bezels, touch callouts, optional metadata, audio, trim, GIF conversion - Pro: 120 fps framebuffer recording when supported Networking - Simulate slow or lossy networks without slowing your Mac - Per-app Airplane Mode in the Simulator only - Inspect requests and responses; metrics; cURL export; trace export; Copy Summary for redacted sharing - Speed control and monitor share a dedicated Networking area in the side window for quicker discovery Accessibility - VoiceOver overlay with keyboard navigation for testing in the Simulator without juggling a device as often - Environment overrides from the side window: Bold Text, Dark Mode, Dynamic Type, and more—without opening Settings.app - Tinted Liquid Glass legibility live on iOS 26 simulators Build Insights - Build count and duration trends in the main and side windows - Compare performance across Xcode versions your team runs Quick Actions for Builds - Clear Derived Data globally or for the current app - Open common app folders without Finder archaeology - Grant, revoke, or reset permissions without reinstall churn Compare Designs - Overlay Figma, Sketch, or Zeplin frames on live UI - Slider mode for pixel-level SwiftUI and UIKit checks Design Tools and Magnify - Grids and rulers in on-screen points; slow animations for layout polish - Pixel zoom with color sampling as code Deeplinks and Push Notifications - Fire universal links and push payloads with the debugger attached - Actions from recent builds; clipboard URL history; shareable Quick Action groups - Grid or list layout for long route or push lists Location Simulation - Routes or single-pin GPS; time zones from a chosen place; Maps and travel flows User Defaults Editor - Live-edit standard and App Group defaults—flags, debug toggles, plist-backed state Simulator Camera - Mac camera in Simulator for AVFoundation, QR, and Vision-style demos Full Customization - Menu bar access including Open GitHub Issues - Shortcuts and floating windows matched to your workflow Trusted by Developers Everywhere RocketSim is used daily by thousands of developers and 200+ teams—including teams at Meta, Runkeeper, and MacWhisper—to ship iOS apps with less friction. It fits TestFlight, App Store Connect, the Apple Developer app, and everyday Xcode use. Xcode® is a trademark of Apple Inc., registered in the U.S. and other countries. Terms of use: https://www.rocketsim.app/terms/ ¹ Based on RocketSim Developer Research of 2024

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New: - CLI: rocketsim screenshot and rocketsim video record accept the mesh gradients from the background picker, for example --background aurora-drift, pastel-foam, lava-bloom, or indigo-nightfall. An unknown name lists the valid ones. - CLI: --metadata now renders the app icon, title, and subtitle badge, like the Post Editor does, from the most recent build on the Simulator. Use --metadata-title, --metadata-subtitle (an empty value hides the subtitle), and --metadata-app bundle-id to override the text or pick another installed app. The badge needs --ratio other than auto; RocketSim now says so, or that no app could be found, instead of leaving the badge out. - Captures: customize screenshot and recording file names with pills for capture type, device, app name, inches, and date, in Settings > Captures. (Thanks, K. Strasser!) Improved: - Onboarding: a refreshed first-run flow with an optional email step on Welcome, a short demo of the RocketSim CLI and Agent Skill, and a guided CLI and Agent Skill install step that only continues once an Agent Skill is installed. Onboarding no longer ends on an empty window after a permission or install step. - iPhone Duo: screenshots and recordings now show the device from straight on, like the Simulator and Device Hub, instead of from a slight angle. The fold still follows the hinge angle, from closed through book to open. Fixed: - Improved reliability of Developer folder access: Macs that can't remember the permission no longer show the permission screen at every launch (you can still grant it from Recent Builds), and diagnostics reports now explain why the permission couldn't be saved. (This is for you, J. Sabater!) - CLI: on iPhone Duo, taps, swipes, scrolls, and interact activate now reach the screen that is showing the app in the open and book poses, instead of silently doing nothing. Element positions and canvasSize match that screen's orientation, so toolbar items on the right are no longer hidden, and coordinates outside the screen now return a clear error.

The developer, SwiftLee, 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 Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
SwiftLee
Size
64.5 MB
Category
Developer Tools
Compatibility
Requires macOS 15.2 or later.
  • Mac
    Requires macOS 15.2 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
  • RocketSim Yearly $69.99
  • RocketSim Monthly $9.99
  • RocketSim Yearly $69.99
  • RocketSim Monthly $9.99
  • RocketSim Yearly $29.99
  • RocketSim Monthly $6.99
Copyright
© 2026 SwiftLee