Unit Duel is a Firefox browser extension that compares the prices of two product packs by unit cost and identifies the cheaper option. It is intended for consumers making price comparisons while shopping online or in stores.
In the Other shopping space, Unit Duel takes a focused approach. It focuses on comparing differently sized product packs to identify the cheaper option by unit price. It is built as a consumer product for firefox users comparing grocery and household product prices. Unit Duel is free to use. It runs on the web and embeddable surfaces.
It is developed by Melvin D. Howard, and it first shipped in 2026. Key capabilities include unit cost comparison, pack price comparison, and cheaper option naming. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
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