It was originally created to solve one specific problem: making it easy to open URLs and push notifications in the simulator. Today, it solves dozens.
If you are an iOS developer who is still manually typing URL schemes into Safari or struggling to take clean screenshots for TestFlight release notes,
is a productivity-enhancing menu bar application designed to give the Xcode Simulator "superpowers" for iOS and iPadOS development. Created by Antoine van der Lee (the developer behind SwiftLee), it provides a suite of advanced tools that streamline daily tasks like capturing professional recordings, debugging network traffic, and performing pixel-perfect UI comparisons. Quick Facts Developer: Antoine van der Lee (SwiftLee) Platform: macOS (Enhances Xcode Simulator) rocketsim
RocketSim allows you to:
If you're excited to try RocketSim, here's how to get started: It was originally created to solve one specific
You can also simulate specific conditions, like toggling the status bar to show "Recording" or "Navigation" active states, which is great for testing UI edge cases.
It represents the best of the Apple developer ecosystem: a small, focused tool that solves specific problems with elegance. It stays out of your way until you need it, and when you do, it feels like a superpower. Created by Antoine van der Lee (the developer
Many developers actually run both, but if you have to pick one for daily UI work, RocketSim usually wins out due to the overlay and recording features.
Let’s break down the features that make RocketSim a non-negotiable install for modern iOS development.
RocketSim simplifies this drastically:
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