Keepa extension for chrome overlays a historical price chart on Amazon product pages, helping you see whether a current price is actually a deal. If you are comparing alternatives, focus on charting accuracy, alert options and whether the tool covers the Amazon marketplaces you actually shop on.
What an Amazon price tracker extension should show
A useful amazon price tracker chrome extension overlays a price history chart directly on the product page, so you can see how the current price compares to recent months without leaving Amazon. Look for one that also shows Buy Box price separately from third-party seller prices.
Price drop alerts
Beyond charts, many people want to be notified when a price drops below a target. Check whether the extension supports setting a target price and sends an alert by email or browser notification, since not every price tracker includes alerting alongside its historical chart.
Coverage across Amazon marketplaces
If you shop on more than one Amazon marketplace, such as amazon.com and amazon.co.uk, confirm the extension tracks price history on each one you use. Some price tracker extensions only maintain full historical data for the largest marketplaces, with limited coverage elsewhere.