About This Launch
Precio Justo is a Chrome extension for buying and selling second-hand on Wallapop. It checks whether a price is fair, flags common scam signs, writes a listing from your photos, and drafts replies to buyers. You review and publish everything yourself. Price comparison and scam alerts are always free. AI features include 10 free uses, then optional Pro is 2.99 EUR/month. Made by Fairtools Labs. Not affiliated with Wallapop.
Why I Built This
Fairtools Labs built Precio Justo to help people buy and sell second-hand on Wallapop with fair price comparisons, scam alerts, and AI assistance for listings and replies.
Launch Details
CategoryProductivity
StageLive
ListedNovember 11, 2026