Specifically Clementines

Specifically Clementines is an open source price tracking tool designed for grocery shoppers who want to monitor product costs across different retailers. It lets you log prices for individual items at various stores and view historical data to spot patterns or sudden changes. The interface is clean and straightforward, focusing purely on numbers without unnecessary features.

The tool runs as a static web page built with vanilla JavaScript and HTML. It stores all data locally in your browser using IndexedDB, so no server or account is needed. You can export your price history as a CSV file for further analysis in a spreadsheet. The project was created by developer David Shay and is maintained on GitHub under an MIT license.

This is ideal for budget-conscious shoppers or small household managers who want to make informed decisions based on actual price history. Because it runs entirely in the browser, there are no hosting costs or privacy concerns. The tool is free and does not include any paid tiers or premium features.