Price history
The price curve and the lowest recorded price — no more fake discounts.
Prices and availability are tracked for France (amazon.fr and French retailers, in euros).
Browser extension
Price history, right on the product page
On 14 retailers, including Amazon, Fnac, Cdiscount, the DeaLynx widget shows the price history, a “good deal” verdict and the cheapest offer, without leaving the page.
💻 This extension installs on desktop browsers (Chrome, Firefox, Edge, Opera). On mobile, track your products directly on the DeaLynx site.
Free · No account · Anonymous
What you see
Everything to buy at the right time
The info that matters, exactly when you look at the product.
“Good deal” verdict
High, fair or good deal: a clear indicator, at a glance.
Cheaper elsewhere
We compare the same product across merchants and point to the best offer.
Price-drop alerts
Track a product in one click and get alerted as soon as the price drops.
How it works
Installed in 30 seconds
1
Install the extension
Add it to your browser, for free.
2
Open a product page
On Amazon, Fnac, Cdiscount or any of the 14 retailers covered.
3
The widget appears
History, verdict and best offer, bottom-right.
Privacy
Anonymous by design
No personal data is collected. To enrich the shared history, the extension can anonymously send the public price seen on product pages — switchable off at any time from its menu.
Read the privacy policy →- No personal data
- No resale, no ad tracking
- Contribution can be turned off anytime
Questions
Good to know
Is it free?
Yes, entirely. History, verdict and comparison are free and require no account.
Which sites are covered?
Amazon · Fnac · Cdiscount · Darty · Boulanger · Carrefour · Auchan · E.Leclerc · Cultura · Micromania · LDLC · Decathlon · Rakuten · Leroy Merlin. The list keeps growing.
What about my data?
No personal data. The price contribution is anonymous and can be disabled in the extension menu.
Which browsers?
Chrome, Firefox, Edge and Opera (so Brave and Vivaldi too, via the Chrome Web Store).
Never buy at the wrong price again
Add DeaLynx to your browser — free, no account.