The First 90 Days After Launching a Rork App — 8 Decisions That Shape the Year
After 12 years of solo app development, I have come to believe the first 90 days post-launch matter more than anything else. This article walks through 8 decision branches that shape your trajectory — from crash triage to ad revenue tuning to when to start the next app.
Rork × Subscription Groups and Intro Offers — Implementation Patterns That Lift Subscription Revenue
If you shipped a monthly subscription with your Rork-built app and watched first-month churn climb past 50%, the fix usually lives in two places: how your Subscription Group is structured, and which intro offer format you picked. This guide walks through both, with production-ready StoreKit 2 code.
Sandbox Testing for Rork Subscriptions — The Apple and Google Pitfalls Indie Devs Hit Most
A practical walkthrough of validating Rork-generated subscription code in Apple and Google sandbox environments, covering the specific pitfalls solo developers hit most often before going live.
Adding Native Modules to Rork-Generated Apps: A Practical Guide to Expo Prebuild
When your Rork prototype needs a native SDK or custom module, Expo Prebuild is the bridge to production. This practical guide walks through the limits of Managed Workflow and the actual commands for moving toward Bare Workflow.
EAS Update Published but Nothing Changes? Five Patterns That Quietly Break OTA Delivery in Rork
You ran eas update, the CLI showed a green Published, but your iPhone keeps loading the old code. Here are the five patterns I keep running into, plus a five-minute diagnostic flow you can use the next time OTA goes silent.
Catch Silent Deprecations Before the Next OS Update Breaks Your Rork App
Apple and Google deprecate APIs every year, and your app breaks the morning after. Build the watchdog: a four-layer monitoring setup with concrete CI scripts that catches Required Reason APIs, missing Privacy Manifests, targetSdkVersion shifts, and Expo SDK signals before submission fails.
Adding iOS 18 Dark / Tinted Icons and Android Themed Icons to a Rork App
A practical walkthrough for shipping iOS 18 dark and tinted icons and Android 13+ themed icons from a Rork-generated project. Asset prep, Expo config, cache pitfalls when replacing icons, and what App Store Connect actually checks for.
Implementing CallKit + PushKit in Rork: Native Call UI and VoIP Push for Voice & Video Apps
A practical, production-grade walkthrough for wiring CallKit and PushKit into a Rork-built voice or video calling app — covering token lifecycle, audio sessions, App Store review risks, and the WebRTC handoff.
The Warning You Get When You Nest a FlatList Inside a ScrollView in Rork — Patterns That Actually Fix It
When you build a screen in Rork with a header and a long list below it, you'll see the 'VirtualizedLists should never be nested' warning. Here's why it happens and the right ways to fix it using ListHeaderComponent, SectionList, and FlashList.
Fix Disappearing Characters and Jumping Cursors in Rork TextInputs (3 Patterns)
Three state-related patterns that cause TextInput characters to vanish or cursors to jump in Rork-generated React Native apps, with the exact code changes that fix each one.
How to Track Down 'undefined is not an object' Errors in Rork — Fast
Read Hermes' 'undefined is not an object' error correctly in Rork — five typical causes with code, plus debugging steps when stack traces look unhelpful.
A Prompt Engineering Blueprint for Building Mobile Apps with Rork
How to design instructions to Rork so it returns the implementation you actually want when building mobile apps. A practical methodology distilled from real shipping experience.