saadkhalil.dev / blog
Practical guides on React Native, mobile payments, AI integration, and performance — written from shipping real production apps.
I've shipped 4 production apps in React Native and consulted on Flutter projects. Here's the unfiltered truth about which framework wins for startup builds in 2025.
A production-tested guide to integrating Stripe into React Native using @stripe/stripe-react-native. Covers PaymentSheet, webhooks, and the mistakes that cost teams weeks.
How I integrated GPT-4 streaming into LoyalAI — a production React Native app — including architecture decisions, cost optimization, and UX patterns that actually work on mobile.
After fixing critical performance bottlenecks in a client's app and improving load times by 40%, here are the changes that had real impact — not the premature optimizations that wasted weeks.
I build iOS + Android apps for early-stage startups.