When Amplitude's Funnel Improved Overnight — Field Notes on Catching Event Schema Drift With a Self-Audit
In a Rork-built app, the Amplitude funnel showed signup-to-purchase conversion jumping from 8% to 19% overnight, yet revenue stayed flat. The cause was a property-name drift that inflated the count. Field notes on measuring the drift with an event contract and a runtime validator, then tightening it in stages.
Guarding Analytics Events With Types Across Six Rork Apps — A Shared Event Layer
After event names drifted across six apps and quietly broke my dashboards, I built a typed event registry and a thin wrapper to centralize tracking, plus a CI check that catches schema drift. Here is the design, with the code I actually use.
Maximizing Rork-Built App Revenue with App Store Connect's 100+ Metrics
A practical analytics workflow that narrows App Store Connect's 100+ metrics down to twelve revenue-critical signals, diagnoses funnel weaknesses, and pairs targeted Rork Max changes with Product Page Optimization A/B tests to grow ARPU, LTV, and retention.
Cut First-Day Drop-off by Half — A Data-Driven Onboarding Design Note for Rork Apps
How do you actually lower the 24-hour drop-off on a Rork-built app? This is a working solo developer's notes — measurement funnel, onboarding cuts I made, and the weekly cadence I use to iterate.
Why Subscription Apps Fail—and How to Build a Data-Driven Monetization System with Rork, RevenueCat, PostHog, and Superwall
A complete guide to integrating RevenueCat, PostHog, and Superwall into your Rork app to maximize subscription revenue. Includes production-ready code for churn prediction, paywall A/B testing, and personalized retention notifications.
Retention and LTV for Rork Apps — Separating the Two Numbers I Kept Confusing
Install retention and subscription retention use different denominators. Starting from the LTV miscalculation that came from mixing them, this walks through reading Day1/Day7/Day30 correctly, costing in generation credits, and catching churn signals early — from an indie developer's desk.