A free Chrome extension that remembers the prices of Amazon products you browse — inside your own browser — and puts the verdict right under the price: the lowest and highest prices you have actually seen.
Install TruePrice — it's free
The Sony WH-1000XM5, tracked through autumn 2026. Its usual price is about $248. Watch what the badges claimed — and what was actually true:
The discount is fake. The deal is real. TruePrice flagged both — using only prices the browser had actually seen.
Lowest you've seen, highest you've seen, or somewhere in between — TruePrice calls it on the page, before you pay.
TruePrice quietly notes the price of every product you view — stored only in your browser.
A verdict appears right under the Amazon price: the lowest and highest prices you have actually seen.
If a "deal" sits at the highest price you have seen, TruePrice calls it out — the % badge can't fool you.
See the same product on Walmart, Target or eBay right from the popup.
With Premium (launching soon), watch any product and get an alert the moment its price falls — plus the full price history with a graph and the "Lowest in 90 days" badge.
TruePrice does not run a global price database, and it will never pretend to. Your price history lives in your browser and never leaves your device. Honest by design.
Yes — the verdict bar, your price history and one-click store compare are free forever. An optional Premium tier (price-drop alerts, full history with graph) is launching soon at $2.99/month or $19.99/year.
Yes. TruePrice works on 22 Amazon marketplaces — including the UK, Canada, Australia, Germany, India, Japan, the UAE and Brazil — each with its own currency and local compare stores.
Because that is the history a fake discount cannot argue with. The longer you browse with TruePrice, the sharper its verdicts get.