Syncing 'Favorite Wallpapers' Across Devices with NSUbiquitousKeyValueStore in Rork iOS Apps — Implementation Notes from Six Apps Run in Parallel
For Rork-generated iOS apps, syncing a small set of favorites across devices is often better served by NSUbiquitousKeyValueStore than CloudKit. From the perspective of running six wallpaper apps in parallel, this article shares the threshold design, conflict resolution, and first-launch restore order learned in production.
Three Weeks of Moving Six Wallpaper Apps from AsyncStorage to MMKV in Rork
Notes from three weeks of gradually moving six wallpaper apps from AsyncStorage to react-native-mmkv. Personal write-up from an indie developer who has been shipping iOS and Android apps since 2014.
Three-Layer StoreKit 2 Entitlement Sync for Rork Apps: Launch, Background Refresh, and Restore
When you wire StoreKit 2 subscriptions into a Rork-generated app, Transaction.updates alone leaves gaps. Here is the three-layer sync I run across six wallpaper apps — launch-time re-evaluation, Background App Refresh, and Restore Purchase — including measured refresh rates and the AdMob revenue I recovered.
Killing the Recurring iOS Missing Compliance Warning in Rork with One Info.plist Key
Walks through why every Rork-built iOS upload shows a yellow Missing Compliance flag on TestFlight, and how a single ITSAppUsesNonExemptEncryption key in your app.json removes it for good. Written from the perspective of an indie developer shipping six wallpaper apps in parallel.
Two Months of Rork × Hermes in Production — Cold Start and Memory in Real Numbers
What actually happens to cold start, memory, and crash rates after running Rork-generated apps with Hermes enabled in production for two months. Field notes from an indie developer with 50 million cumulative downloads.
Making Silent Failures Visible Across 6 Rork Apps: An Early-Warning Design Note for Non-Crash Degradation
Notes from running 6 wallpaper apps in parallel and the layer I built in 3 weeks to make Crashlytics-invisible failures observable. Beacons, timeouts, and a small Cloudflare Worker for cross-app aggregation.
Bolting WidgetKit onto a Rork iOS App: Implementation Notes from Rolling It Out to Six Wallpaper Apps Simultaneously
A hands-on note on adding a WidgetKit Extension to a Rork-generated iOS app, with operational lessons from rolling out widgets to six wallpaper apps at once — App Group plumbing, Timeline Provider choices, memory ceilings, and ASO side effects.
Two Weeks Tightening Up iPad Support for a Rork-Generated Wallpaper App
Notes from spending two weeks tightening up iPad support for a wallpaper app I scaffolded with Rork. Coming from an iPhone-centric indie practice since 2014, I cover where Rork's defaults stopped, how the AdMob adaptive banner misbehaved on iPad, and what changed in retention afterwards.
Aggregating App Store Connect, RevenueCat, and AdMob into One Morning Digest with Cloudflare Workers — A Six-App Indie Architecture
A practical architecture for indie developers running multiple Rork apps: aggregate App Store Connect API, RevenueCat REST, and AdMob Reporting API in a Cloudflare Workers Cron job and ship a single daily Slack digest each morning.
How I Layered Rewarded, Interstitial, and App Open Ads to Lift ARPDAU 1.4× on My Wallpaper App
Optimizing AdMob's three formats individually hit a ceiling — they were eating each other's impressions. After redesigning Rewarded, Interstitial, and App Open as a coordinated 3-layer system with strict role separation and an exclusion gate, ARPDAU climbed 1.4× over nine weeks. The full playbook, code, and weekly numbers.
Fixing Layout Bleed on Android 15 (API 35) in Rork Apps
Once you bump targetSdkVersion to 35, Android 15 enforces edge-to-edge display, and Rork-generated tab bars and headers start sliding under the system bars. Here are the patterns I use with react-native-edge-to-edge and useSafeAreaInsets to fix it properly.
One Month of Reading Xcode Organizer Hang Reports Only on Friday Afternoons
I switched to reading Xcode Organizer Hang Reports for only thirty minutes every Friday for a month. Here is how it compared with Crashlytics and what actually improved across my wallpaper apps.