Browser extension

Price history, right on the product page

On Amazon, Fnac and Cdiscount, the DeaLynx widget shows the price history, a “good deal” verdict and the cheapest offer — without leaving the page.

Soon on ChromeSoon on FirefoxSoon on EdgeSoon on Opera

The extension is under store review. Available very soon on Chrome, Firefox, Edge and Opera.

💻 This extension installs on desktop browsers (Chrome, Firefox, Edge, Opera). On mobile, track your products directly on the DeaLynx site.

Free · No account · Anonymous

The DeaLynx widget shown on a product page
What you see

Everything to buy at the right time

The info that matters, exactly when you look at the product.

Price history

The price curve and the lowest recorded price — no more fake discounts.

“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 or Cdiscount.

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 and Cdiscount for now. More merchants are coming.

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.

Soon on ChromeSoon on FirefoxSoon on EdgeSoon on Opera