rocketsim_app's profile picture. All features: http://rocketsim.app

Download for free: https://apps.apple.com/app/apple-store/id1504940162?pt=117264678&ct=website-header

#swiftlang #iosdev #xcode

RocketSim - Build Apps Faster

@rocketsim_app

All features: http://rocketsim.app Download for free: https://apps.apple.com/app/apple-store/id1504940162?pt=117264678&ct=website-header #swiftlang #iosdev #xcode

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Highlight of the week!

What a way to end #WWDC25 Presenting @rocketsim_app at Meta’s office who use it for their go to tool for design comparison and recordings 🤩

twannl's tweet image. What a way to end #WWDC25 

Presenting @rocketsim_app at Meta’s office who use it for their go to tool for design comparison and recordings 🤩


RocketSim - Build Apps Faster 已轉發

Create different kinds of Simulator captures 👉🏼 Plain screenshots 📲 With bezels & custom background color 🎨 Custom frame & background color #swiftlang #iosdev

rocketsim_app's tweet image. Create different kinds of Simulator captures

👉🏼 Plain screenshots
📲 With bezels & custom background color
🎨 Custom frame & background color

#swiftlang #iosdev

Rulers & distances for perfect alignment. ⇧ Hold Shift to show distances 📏 Horizontal & Vertical rulers ✨ Pixel-perfect designs

rocketsim_app's tweet image. Rulers & distances for perfect alignment.

⇧ Hold Shift to show distances
📏 Horizontal & Vertical rulers
✨ Pixel-perfect designs

RocketSim - Build Apps Faster 已轉發

As an app developer, it's essential to access the User Defaults frequently. 🔐 Unexpectedly storing sensitive user data 🐛 Delete or adjust keys during debugging #swiftlang #iosdev

rocketsim_app's tweet image. As an app developer, it's essential to access the User Defaults frequently.

🔐 Unexpectedly storing sensitive user data
🐛 Delete or adjust keys during debugging

#swiftlang #iosdev

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!

rocketsim_app's tweet image. 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!

RocketSim - Build Apps Faster 已轉發

Exploring your Application's Bundle directory can lead to surprises. This app, for example, included the readme.md/?utm_campaign=… file that is not used in the app. Saving 5KB this time, how much are you going to save?

rocketsim_app's tweet image. Exploring your Application's Bundle directory can lead to surprises. This app, for example, included the readme.md/?utm_campaign=… file that is not used in the app. 

Saving 5KB this time, how much are you going to save?

RocketSim - Build Apps Faster 已轉發

Delete Derived Data directly from the status bar menu. Although we hope it's never needed, of course! #swiftlang #iosdev

rocketsim_app's tweet image. Delete Derived Data directly from the status bar menu.

Although we hope it's never needed, of course!

#swiftlang #iosdev

RocketSim - Build Apps Faster 已轉發

Amazing to see @helm_app together with @rocketsim_app being mentioned by @Nunoniczny as a tool that makes the life of a blind iOS developer much easier as well ❤️ THIS is why we make software.

I don’t know what to say… @Nunoniczny is a sightless coder and just performed a talk @pragmamarkorg. He did an amazing job and got an impressive applause from both the audience and his family who came supporting him. He showed the importance of accessibility and demonstrated…



Almost every app performs some kind of network request. Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.

rocketsim_app's tweet image. Almost every app performs some kind of network request. 

Inspecting outgoing requests or simulating poor network conditions is a crucial element of app development.

RocketSim - Build Apps Faster 已轉發

Create different kinds of Simulator captures 👉🏼 Plain screenshots 📲 With bezels & custom background color 🎨 Custom frame & background color #swiftlang #iosdev

rocketsim_app's tweet image. Create different kinds of Simulator captures

👉🏼 Plain screenshots
📲 With bezels & custom background color
🎨 Custom frame & background color

#swiftlang #iosdev

Monitor network requests without installing certificates or using a proxy. Inspect or copy: 🔍 JSON responses 🤯 Headers ⚠️ Failure reasons

rocketsim_app's tweet image. Monitor network requests without installing certificates or using a proxy.

Inspect or copy:
🔍 JSON responses
🤯 Headers
⚠️ Failure reasons

RocketSim - Build Apps Faster 已轉發

Use the stick-to-bottom option if you want to make RocketSim fit nicely in your workflow. #swiftlang #iosdev

rocketsim_app's tweet image. Use the stick-to-bottom option if you want to make RocketSim fit nicely in your workflow.

#swiftlang #iosdev

RocketSim - Build Apps Faster 已轉發

Quickly simulate a specific location from the side window by moving the pin on the map 📍

rocketsim_app's tweet image. Quickly simulate a specific location from the side window by moving the pin on the map 📍

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! 🚀

rocketsim_app's tweet image. 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! 🚀

Simulate slow network conditions like 3G, Edge, or 100% Loss ✈️ Simulator Airplane Mode ✨ No custom certificates needed 🤘 Your Mac's connectivity remains fast

rocketsim_app's tweet image. Simulate slow network conditions like 3G, Edge, or 100% Loss

✈️ Simulator Airplane Mode
✨ No custom certificates needed
🤘 Your Mac's connectivity remains fast

RocketSim - Build Apps Faster 已轉發

Create Professional Captures 🎞️ GIF, MP4 or PNG 🫵🏼 Show touches for a better explanation 📲 Show bezels to professionalize 💪🏼 Drag them right into App Store Connect #swiftlang #iosdev

rocketsim_app's tweet image. Create Professional Captures

🎞️ GIF, MP4 or PNG
🫵🏼 Show touches for a better explanation
📲 Show bezels to professionalize
💪🏼 Drag them right into App Store Connect

#swiftlang #iosdev

How do you test your app for location changes? 🚗 Configure car routes or single locations 💨 Use different speeds 💪 Save locations for easy re-testing

rocketsim_app's tweet image. How do you test your app for location changes?

🚗 Configure car routes or single locations
💨 Use different speeds
💪 Save locations for easy re-testing

RocketSim - Build Apps Faster 已轉發

Looking to implement pixel-perfect designs in your apps? Look no further! Hold Shift ⇧ while you have rulers enabled and find out the distance between elements ✨

rocketsim_app's tweet image. Looking to implement pixel-perfect designs in your apps?

Look no further!

Hold Shift ⇧ while you have rulers enabled and find out the distance between elements ✨

RocketSim - Build Apps Faster 已轉發

Finally found the @rocketsim_app mascot 🚀

twannl's tweet image. Finally found the @rocketsim_app mascot 🚀

RocketSim - Build Apps Faster 已轉發

With SwiftUI and iOS 26 you can have this nice animation in just two lines


RocketSim - Build Apps Faster 已轉發

Grids & Rulers to verify alignment 📏 Enable rulers to verify alignment across elements #️⃣ Show a grid to align all elements at predefined spacing #swiftlang #iosdev

rocketsim_app's tweet image. Grids & Rulers to verify alignment

📏 Enable rulers to verify alignment across elements
#️⃣ Show a grid to align all elements at predefined spacing

#swiftlang #iosdev

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