Join thousands of iOS developers who build, test, and debug apps up to 2x faster with RocketSim. Supercharge your Xcode Simulator with 30+ powerful tools designed to boost productivity, streamline testing, and speed up your workflow. Key Highlights • Boost productivity with tools that save hours every week • Debug faster with network traffic inspection, user defaults editing, and build insights • Perfect your designs with grids, rulers, and pixel-precise comparison tools • Test real-world scenarios with location simulation, push notifications, and network speed control • Create professional recordings and screenshots with device bezels, touches, and audio Feature Breakdown Network Speed Control • Simulate slow networks like 3G or full loss • Enable Airplane Mode to disable networking just for your app • Keep your Mac’s connectivity fast and unaffected Inspect Network Traffic • Monitor incoming and outgoing requests • Explore JSON responses, headers, and request details • Copy requests as cURL commands • Investigate performance with request metrics Simulator Camera • Use your Mac’s camera directly in the Simulator • Test camera features without switching to a real device Build Insights • Track build count and duration over time • Measure improvements per Xcode version User Defaults Editor • View and edit values in real time • Works with both standard and group defaults Location Simulation • Simulate routes or single GPS points • Change time zones based on location • Test navigation and travel scenarios Design Tools • Grids and rulers for pixel-perfect layout checks • Measure distances in real device pixels • Slow animations to fine-tune UI transitions Compare Designs • Overlay Figma, Sketch, or Zeplin exports • Use slider mode to compare design vs. implementation • Ensure pixel-perfect design fidelity Magnify for Precision • Zoom to the pixel level for flawless UI verification Quick Actions for Builds • Delete Derived Data globally or per app • Open common directories instantly • Manage app permissions like photos and location access Environment Overrides • Toggle accessibility settings (Bold Text, Dark Mode, etc.) • Configure Dynamic Type sizes directly in the Simulator Deeplinks and Push Notifications • Test universal links and push notifications instantly • Auto-detect actions for recent builds • Launch links from your clipboard • Share Quick Action groups with your team Screenshots and Recordings • Add device bezels for professional results • Record with touches, audio, and custom backgrounds • Export-ready for App Store Connect previews • Trim videos or convert recordings to GIFs Full Customization • Access all tools from the status bar • Configure shortcuts for even faster actions • Hide floating windows to match your workflow Trusted by Developers Everywhere RocketSim is used daily by thousands of developers and over 200 teams — including developers at companies like Meta, Runkeeper, and MacWhisper — to ship apps faster and with higher quality. It fits seamlessly into your existing workflow — whether you’re distributing builds with TestFlight, uploading to App Store Connect, learning in the Apple Developer app, or building with Xcode. 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
