FlutterFlow + RevenueCat: Complete Guide to Subscription Apps

Introduction If you’re building a SaaS or premium mobile app, subscriptions are one of the most reliable monetization models. But implementing subscriptions correctly is not just about adding a payment button — it involves: Secure validation Real-time status updates Handling edge cases (expiry, restore, refunds) In this guide, I’ll walk you through how I implemented a production-ready subscription system using FlutterFlow + RevenueCat + Firebase. 💰 Why RevenueCat? Instead of directly handling A