Amplify your iOS Simulator capabilities with visual design overlay, accessibility testing, and request inspection
Must-have utility for iOS developers working with Xcode
Select your productivity bundle and accelerate your development process
Every license provides complimentary updates throughout its active period. Team packages have minimum purchase requirements. Trial transitions to paid subscription after 14 days unless terminated. Trial promotions limited to first-time users.
RocketSim embeds seamlessly into the iOS Simulator workspace, delivering a floating utility bar that grants immediate access to advanced development features without disrupting your testing rhythm. The visual comparison capability allows you to superimpose reference designs with variable transparency settings, facilitating precise UI construction by matching your simulator display against design specifications on the fly.
The accessibility validation engine performs ongoing compliance assessments against WCAG standards, detecting color contrast deficiencies, absent accessibility identifiers, and inadequate tap area dimensions as you explore your application. Traffic observation functionality records all HTTP communications with comprehensive request and response analysis, empowering you to troubleshoot API integrations, review transmission headers, and confirm data formats without third-party interception utilities.
URL scheme capabilities offer immediate deep link validation via a specialized console where you can assemble and execute custom schemes, verify universal link handling, and test navigation patterns. The interaction feedback system places visible markers on each tap, drag, and motion, streamlining video production tasks or gesture handler troubleshooting throughout development cycles.
Superimpose reference mockups directly atop the simulator display with customizable transparency levels. Position and align designs accurately, switch visibility using hotkeys, and achieve pixel-accurate development by contrasting your live application against design assets in real-time without application switching.
Continuous accessibility verification operates as you interact, flagging color contrast violations, missing label attributes, inadequate touch zone dimensions, and VoiceOver integration problems. Every detected issue displays the relevant WCAG standard citation and practical correction guidance for quick resolution.
Intercept and analyze all HTTP and HTTPS network activity generated by your application during simulation runs. Access comprehensive request metadata, inspect response content with automatic JSON presentation, track latency metrics, and save traffic records for diagnosing API connectivity challenges without proxy configuration.
Build and launch custom URL schemes, universal link patterns, and navigation deep links via a specialized control panel. Validate routing behavior, confirm argument handling, and check flow transitions by injecting links directly into the simulator without manual URL entry or auxiliary trigger applications.
Render visual markers for every touch, gesture, pinch, and interaction executed within the simulator environment. Adjust marker styling with color and dimension controls, ideal for producing tutorial recordings, resolving gesture handler disputes, or generating interaction guides with prominent visual cues.
Utilize all RocketSim capabilities through an unobtrusive floating control bar that remains accessible during work sessions. Adjust toolbar placement, establish keyboard shortcuts for rapid feature engagement, and control visibility to maintain workspace clarity while preserving swift access to development instruments.
Developer: Antoine van der Lee
Current Version: 14.0 released September 2026
Platform: macOS developer tools for iOS development workflow enhancement
RocketSim originates from an engaged iOS development community member dedicated to crafting functional utilities addressing genuine productivity obstacles faced during everyday Xcode-centered development activities.
RocketSim for macOS. Compatible with Xcode 12.0 and later. Free trial available with instant activation.
Download for macOSRequires macOS with Xcode installed. Age rating 4+. No ads or tracking.