How to monitor an item's price on Amazon with Keepa

Last update: 19/08/2025

How does know when is the best time to buy a product in online stores? "Is this the best deal? Could I pay less if I wait a bit?" In this post, we'll show you how to monitor the price of an item on Amazon with Keepa, a little-known but very powerful tool.

What is Keepa and how does it work?

Monitor an item's price on Amazon with Keepa

Online stores, like Amazon, are always available: 24/7, 365 days a year. The same is not true of the products offered there: sometimes they are available, sometimes they aren't. Likewise, Prices on the platform may vary day to day, hour to hour, and even minute to minute.How do you know the best time to buy a product? A simple and effective way is to monitor an item's price on Amazon with Keepa.

What is Keepa? Simply put, it's a tool that lets you constantly track prices on Amazon. Keepa is able to track price history of the millions of products offered on Amazon, and we'll notify you when a price drops. This way, you can know the best time to visit the platform and purchase the item you want at the best price.

Monitoring an item's price on Amazon with Keepa is easy for all types of users. This is because the tool is available as a browser extension, mobile app, and web platformYou can carry it with you on your phone, or pin it to the browser you often use for work or school. After setting a price alert, just wait for Keepa to notify you.

Advantages of using Keepa

There are many advantages to monitoring the price of an item on Amazon with Keepa. Among the expected benefits that you can obtain with this tool include:

  • See a detailed price history (until several years ago).
  • To receive custom alerts when the price goes down.
  • Stock tracking to find out when an item is back in stock.
  • The tool is compatible with multiple versions of Amazon (Spain, France, Portugal, USA, Mexico, etc.).
  • Direct integration with the Amazon page through extension.
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How to monitor an item's price on Amazon with Keepa

Keepa website

To track the price of a product on Amazon with Keepa, you first have to install the tool on your mobile or computer. Then, you need to set up a price alert for a specific item. It's also a good idea to learn how to interpret price history charts to receive personalized notifications. We'll explain how to do each step.

How to install Keepa

As we mentioned, you can monitor the price of an item on Amazon with Keepa using its extension or the mobile app. The desktop browser extension is available at Chrome, Firefox Opera, Edge and Safari. But you can only use the Keepa extension on the mobile versions of Firefox and Edge. For install the extension follow these steps:

  1. Visit Keepa's official website.
  2. Click on Applications.
  3. You'll see the browser icons. Choose the browser you use to go to the extensions store and install Keepa from there.
  4. Follow the instructions to add the extension.
  5. Once installed, you'll see the Keepa icon in the toolbar.

On the other hand, Keepa is available for mobile devices as an app. You can install it on your iOS or Android mobile from their respective app stores, searching for Keepa – Amazon Price Tracker. In all cases, registration is not required, but you can do so with your email, Google account, or Amazon account for a more personalized experience.

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How to monitor an item's price on Amazon with Keepa

What do you need to do to start monitoring the price of an item on Amazon with Keepa? The first thing you need to do is go to Amazon.com (or Amazon.es, depending on your location) and search for the product you want to monitor. Instead of buying it right away, Use Keepa to find out if your current price is the best or if it has been cheaper in the past.. How?

Very simple. One of the advantages of monitoring an item's price on Amazon with Keepa is that the tool integrates directly into the Amazon website. You don't need to leave the website to access your price history or set up product tracking. Just below the item description You can see a block with all that information, including a graph with the following elements:

  • Orange line: Amazon price as a direct seller.
  • Blue line: Price from external sellers (Marketplace).
  • Black line: Price of used products.
  • Green line: Flash or special offer prices.

Below the Price History chart you can see an option called Statistics. If you hover over it, a table opens showing the product's price fluctuation: Lowest, Current price, Highest and Average price. The table also reveals the average number of offers per month that the product has had, and its cost if purchased directly from Amazon, on the Marketplace, or used.

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How does all this information help you? Let's say you're interested in an outdoor camera with a solar panel that currently costs €199,99. Looking at Keepa's Statistics table, you learn that its lowest price was €179,99 and its highest was €249.99. This means that, If you decide to buy it now, you could save €50But if you wait a bit, the product may drop in price and you can buy it for less. If you prefer the latter, it's a good idea to set up a follow-up alert. How?

How do I activate a tracking alert in Keepa?

 

The tracking alert allows you to monitor the price of an item on Amazon with Keepa and receive a notification when the price changes. How do I activate it? In the Product Tracking tabYou can select the lowest price and the time period you want Keepa to track. Once you've done this, just click Start Tracking and that's it. When the product reaches the selected price or even lower, you'll receive a notification by email or directly in your browser.

The best is that Keepa's free features are sufficient for most users.But if you don't want to miss any details about products and deals on Amazon, you can upgrade to the paid version. In any case, monitoring the price of an item on Amazon with Keepa is an excellent way to take advantage of the online retail giant's low prices.