RocketSim - Build Apps Faster
@rocketsim.app
30+ features for Xcode's Simulator, developers are up to 2x faster.
Recommended by Apple as an Essential Developer Tool
Download for free: www.rocketsim.app
Recommended by Apple as an Essential Developer Tool
Download for free: www.rocketsim.app
Pinned
With 30+ added features, we're the most advanced developer tool for Xcode's Simulator.
RocketSim 13.0 will launch in early January with a Network Speed Control and a redesigned side window ✨
Get RocketSim today to not miss this update:
apps.apple.com/app/apple-st...
RocketSim 13.0 will launch in early January with a Network Speed Control and a redesigned side window ✨
Get RocketSim today to not miss this update:
apps.apple.com/app/apple-st...
Making your app accessible is a must.
Use our accessibility side panel to verify implementations on the fly 🚀
Use our accessibility side panel to verify implementations on the fly 🚀
November 13, 2025 at 11:40 AM
Making your app accessible is a must.
Use our accessibility side panel to verify implementations on the fly 🚀
Use our accessibility side panel to verify implementations on the fly 🚀
While Xcode offers similar environment toggles, being able to switch them right next to the Simulator is a game-changer to stay in your flow 🚀
November 12, 2025 at 9:55 AM
While Xcode offers similar environment toggles, being able to switch them right next to the Simulator is a game-changer to stay in your flow 🚀
Location simulation is an unmissable RocketSim feature for those with GPS apps.
An alternative? Driving the car while running the Simulator 🙈
An alternative? Driving the car while running the Simulator 🙈
November 11, 2025 at 2:32 PM
Location simulation is an unmissable RocketSim feature for those with GPS apps.
An alternative? Driving the car while running the Simulator 🙈
An alternative? Driving the car while running the Simulator 🙈
Almost every app performs some kind of network request.
Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.
Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.
November 10, 2025 at 1:57 PM
Almost every app performs some kind of network request.
Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.
Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.
You're done implementing a design, but does it match pixel-perfectly?
November 6, 2025 at 11:26 AM
You're done implementing a design, but does it match pixel-perfectly?
RocketSim's design tools are a must if you're UI focused ✨
November 4, 2025 at 12:08 PM
RocketSim's design tools are a must if you're UI focused ✨
RocketSim's App Preview Optimized mode converts your images & videos into a format directly accepted by App Store Connect.
Your quickest way to updated App Store assets 🚀
Your quickest way to updated App Store assets 🚀
October 28, 2025 at 11:23 AM
RocketSim's App Preview Optimized mode converts your images & videos into a format directly accepted by App Store Connect.
Your quickest way to updated App Store assets 🚀
Your quickest way to updated App Store assets 🚀
Are you still using the default Xcode Simulator capture options?
You're missing out on:
📲 Device bezels
👆 Touches
🔊 Audio recording
You're missing out on:
📲 Device bezels
👆 Touches
🔊 Audio recording
October 27, 2025 at 1:00 PM
Are you still using the default Xcode Simulator capture options?
You're missing out on:
📲 Device bezels
👆 Touches
🔊 Audio recording
You're missing out on:
📲 Device bezels
👆 Touches
🔊 Audio recording
With over 30+ features for Xcode's Simulator, it's hard to pick a favorite.
What's your most-used RocketSim feature?
What's your most-used RocketSim feature?
October 17, 2025 at 11:39 AM
With over 30+ features for Xcode's Simulator, it's hard to pick a favorite.
What's your most-used RocketSim feature?
What's your most-used RocketSim feature?
Test your app's support for Push Notifications
📡 No server needed
📩 Save for easy re-testing
🔗 Ideal for deeplink testing
📡 No server needed
📩 Save for easy re-testing
🔗 Ideal for deeplink testing
October 10, 2025 at 10:19 AM
Test your app's support for Push Notifications
📡 No server needed
📩 Save for easy re-testing
🔗 Ideal for deeplink testing
📡 No server needed
📩 Save for easy re-testing
🔗 Ideal for deeplink testing
Our real-time User Defaults Editor lights up when a value changes.
It's a perfect replacement for in-app debug views, as it also allows real-time editing! 🚀
It's a perfect replacement for in-app debug views, as it also allows real-time editing! 🚀
October 9, 2025 at 11:20 AM
Our real-time User Defaults Editor lights up when a value changes.
It's a perfect replacement for in-app debug views, as it also allows real-time editing! 🚀
It's a perfect replacement for in-app debug views, as it also allows real-time editing! 🚀
January 9th 2007, 09:41
A historical moment in time for Apple Developers.
Did you know all iPhone screenshots are set to 09:41?
You can now apply the same using the status bar overrides ✨
A historical moment in time for Apple Developers.
Did you know all iPhone screenshots are set to 09:41?
You can now apply the same using the status bar overrides ✨
October 6, 2025 at 11:41 AM
January 9th 2007, 09:41
A historical moment in time for Apple Developers.
Did you know all iPhone screenshots are set to 09:41?
You can now apply the same using the status bar overrides ✨
A historical moment in time for Apple Developers.
Did you know all iPhone screenshots are set to 09:41?
You can now apply the same using the status bar overrides ✨
Rulers & distances for perfect alignment.
⇧ Hold Shift to show distances
📏 Horizontal & Vertical rulers
✨ Pixel-perfect designs
⇧ Hold Shift to show distances
📏 Horizontal & Vertical rulers
✨ Pixel-perfect designs
October 3, 2025 at 3:08 PM
Rulers & distances for perfect alignment.
⇧ Hold Shift to show distances
📏 Horizontal & Vertical rulers
✨ Pixel-perfect designs
⇧ Hold Shift to show distances
📏 Horizontal & Vertical rulers
✨ Pixel-perfect designs
Have you ever had a request fail unexpectedly but you didn't capture its JSON response?
Using our Network Traffic Monitor, you can always look back on those requests. Game changer for development!
Using our Network Traffic Monitor, you can always look back on those requests. Game changer for development!
October 2, 2025 at 11:14 AM
Have you ever had a request fail unexpectedly but you didn't capture its JSON response?
Using our Network Traffic Monitor, you can always look back on those requests. Game changer for development!
Using our Network Traffic Monitor, you can always look back on those requests. Game changer for development!
Monitor network requests without installing certificates or using a proxy.
Inspect or copy:
🔍 JSON responses
🤯 Headers
⚠️ Failure reasons
Inspect or copy:
🔍 JSON responses
🤯 Headers
⚠️ Failure reasons
September 26, 2025 at 8:05 AM
Monitor network requests without installing certificates or using a proxy.
Inspect or copy:
🔍 JSON responses
🤯 Headers
⚠️ Failure reasons
Inspect or copy:
🔍 JSON responses
🤯 Headers
⚠️ Failure reasons
Test your app under any network condition!
🚫 No internet?
🐢 Slow connection?
Try our Network Speed Control in the Simulator—without disrupting your Mac's connectivity! 🚀
🚫 No internet?
🐢 Slow connection?
Try our Network Speed Control in the Simulator—without disrupting your Mac's connectivity! 🚀
September 25, 2025 at 1:01 PM
Test your app under any network condition!
🚫 No internet?
🐢 Slow connection?
Try our Network Speed Control in the Simulator—without disrupting your Mac's connectivity! 🚀
🚫 No internet?
🐢 Slow connection?
Try our Network Speed Control in the Simulator—without disrupting your Mac's connectivity! 🚀
Simulate slow network conditions like 3G, Edge, or 100% Loss
✈️ Simulator Airplane Mode
✨ No custom certificates needed
🤘 Your Mac's connectivity remains fast
✈️ Simulator Airplane Mode
✨ No custom certificates needed
🤘 Your Mac's connectivity remains fast
September 24, 2025 at 1:01 PM
Simulate slow network conditions like 3G, Edge, or 100% Loss
✈️ Simulator Airplane Mode
✨ No custom certificates needed
🤘 Your Mac's connectivity remains fast
✈️ Simulator Airplane Mode
✨ No custom certificates needed
🤘 Your Mac's connectivity remains fast
How do you test your app for location changes?
🚗 Configure car routes or single locations
💨 Use different speeds
💪 Save locations for easy re-testing
🚗 Configure car routes or single locations
💨 Use different speeds
💪 Save locations for easy re-testing
September 23, 2025 at 10:31 AM
How do you test your app for location changes?
🚗 Configure car routes or single locations
💨 Use different speeds
💪 Save locations for easy re-testing
🚗 Configure car routes or single locations
💨 Use different speeds
💪 Save locations for easy re-testing
Always aim for pixel-perfect designs.
✨ Use our overlay with a slider to indicate differences quickly
✨ Use our overlay with a slider to indicate differences quickly
September 22, 2025 at 10:19 AM
Always aim for pixel-perfect designs.
✨ Use our overlay with a slider to indicate differences quickly
✨ Use our overlay with a slider to indicate differences quickly
Do you know whether your Xcode project's build time became faster or slower this year?
If you've used RocketSim's build insights, you would know!
If you've used RocketSim's build insights, you would know!
September 19, 2025 at 1:16 PM
Do you know whether your Xcode project's build time became faster or slower this year?
If you've used RocketSim's build insights, you would know!
If you've used RocketSim's build insights, you would know!
Making your app accessible is a must.
Use our accessibility side panel to verify implementations on the fly 🚀
Use our accessibility side panel to verify implementations on the fly 🚀
September 18, 2025 at 4:38 PM
Making your app accessible is a must.
Use our accessibility side panel to verify implementations on the fly 🚀
Use our accessibility side panel to verify implementations on the fly 🚀
While Xcode offers similar environment toggles, being able to switch them right next to the Simulator is a game-changer to stay in your flow 🚀
September 16, 2025 at 8:51 AM
While Xcode offers similar environment toggles, being able to switch them right next to the Simulator is a game-changer to stay in your flow 🚀
Location simulation is an unmissable RocketSim feature for those with GPS apps.
An alternative? Driving the car while running the Simulator 🙈
An alternative? Driving the car while running the Simulator 🙈
September 15, 2025 at 8:03 AM
Location simulation is an unmissable RocketSim feature for those with GPS apps.
An alternative? Driving the car while running the Simulator 🙈
An alternative? Driving the car while running the Simulator 🙈
Almost every app performs some kind of network request.
Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.
Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.
September 12, 2025 at 1:36 PM
Almost every app performs some kind of network request.
Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.
Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.
You're done implementing a design, but does it match pixel-perfectly?
September 11, 2025 at 3:36 PM
You're done implementing a design, but does it match pixel-perfectly?