Two logins to check first when Expo Go stops opening your preview
When the QR code stops loading your Rork preview on a real device, check the logins before the router. Here is which path needs a sign-in on both ends, and which paths are untouched.
Same Wi-Fi, No Preview: Where I Look Before Rebooting the Router
When Rork Companion scans the QR code and nothing arrives, there are places worth checking before you restart anything. Four settings on the iPhone, two on the router, and a one-minute test that cuts the search space in half.
A Screen That Runs in Rork Companion Is Not Yet a Finished Screen
There is a gap between the app you hold in your hand through Rork Companion and the build that eventually reaches the App Store. Here is why free signing expires after a few days, what Companion can and cannot answer for you, and a small badge that keeps you honest about which build you are looking at.
Shipping a Rork App to a Real Device Without a Mac: What the Browser Simulator Covers, and Its Pitfalls
Rork's in-browser simulator lets you try an app without a Mac, but some bugs only appear on real hardware. Separate what the simulator can and cannot verify, and get past the real-device wall before you submit.
Why a Rork Companion App Stops Opening After a Few Days — and How to Fix It
An app you pushed to your iPhone with Rork Companion shows 'Untrusted Developer,' or simply refuses to launch a few days later. Here is why free Apple account signing expires after about seven days, and the practical fixes — trust it, re-push, or move to a paid account — from an indie developer's point of view.
How far Rork Companion's free device testing goes — and when to pay the $99 Apple Developer Program
Rork Companion lets you test on a real device without a paid Apple Developer account. Here is exactly where the free path stops, the concrete triggers for paying the $99, and what to stage before your first signed build — from running six apps as an indie developer.
What Rork's Browser Live Simulator Can Verify — and What Belongs on a Real Device
Rork's in-browser live simulator collapses the build-test loop dramatically, but it can't judge everything. Here's a clear, item-by-item split between what the simulator is enough for and what you must move to a real device through Companion.
Catch Real-Device Bugs Before You Ship: A Pre-Submission Checklist for Rork Share Links
Rork's editor preview runs in an ideal environment, so it hides bugs that only appear on real hardware. Here are the seven device differences to clear before you hand out a share link, in the order to check them, with the code to set up first.
Works on Simulator, Crashes on Device: Diagnosing Rork Max App Failures
Your Rork Max SwiftUI app runs fine on the iOS Simulator but crashes the moment it hits a real device. Here are the 5 most common patterns, how to read crash logs, and how to fix each one.
Rork Companion Not Connecting: Complete Debugging Guide
Rork Companion won't connect to your device, preview won't load, or sync is painfully slow? This complete guide covers all 5 failure categories — network setup, firewall, iOS/Android specific issues, and performance fixes with step-by-step solutions.
Rork Max App Works in Expo Go But Breaks in Production Build: Fix Guide
Fix common issues where Rork Max apps work in Expo Go preview but fail in real device builds. Covers custom fonts, native modules, environment variables, and dynamic assets that behave differently between Expo Go and production builds.
Rork Companion Mac App: Test iOS Apps on Real Devices Without Xcode
A complete guide to Rork Companion Mac App. Install and test native iOS apps on your iPhone without Xcode, certificates, or TestFlight.