Building a Real-Time Currency Converter for Travel Apps
javascript
dev.to
Building a Real-Time Currency Converter for Travel Apps Every traveler needs to convert currencies. Here's how I built a real-time converter for ViajApp. The Problem When you're in Japan, you need to quickly convert yen to your home currency. mental math is hard, and most apps require internet. The Solution A currency converter that: Updates rates daily Works offline Shows historical trends Has a clean UI Implementation Backend (FastAPI)