# PriceLens — by Joy Biswas

A full-stack app that collects and tracks electronics prices across Bangladeshi online retailers. The data it gathered became a published dataset.

- Live app: https://pricelens.joybiswas.com
- Project page: https://joybiswas.com/projects/pricelens/
- Dataset: https://joybiswas.com/research/pricelens-dataset/

## What it does

- Automated scraper with a 12-hour queue rebuild.
- Price history with change, outlier and carry-forward flags.
- Product and retailer tables with text-history tracking.
- 1.27 million observations published as an open dataset.

## Stack

Web scraping, full-stack web application and price tracking, built by Joy Biswas.