Keepa
Amazon price and sales rank history charts, price drop alerts and a data API, with a widely used browser extension.
- Works with Amazon data
- Browser extension
- Free plan or free tier
Competitor and price tracking tools watch other listings over time: their price, their sales rank, their stock and, for brands, where their products appear in search on each retailer. A single look at a product page tells you today's price. Tracking tells you how that price moves, how often the product sells and how rivals react when you change yours.
Price and rank history is the most common use for individual sellers. A chart of a product's price and best sellers rank over months shows whether sales are steady, whether the price drops before holidays, how many sellers compete for the Buy Box and whether the product went out of stock. Resellers use it to judge if an item will sell at their target price. Private-label sellers use it to see how established competitors price through the year.
Larger brands and retailers use digital shelf analytics. These platforms check how a brand's products show up on many retailer sites: price, availability, content, ratings and position in search results for important keywords. Retailers use price intelligence tools to match their catalog against competitors' and react to price changes, often feeding the data into repricing rules.
What a featured listing costs ยท from $99 a month
Amazon price and sales rank history charts, price drop alerts and a data API, with a widely used browser extension.
Retail ecommerce platform for brands that combines digital shelf data, retail media and sales analytics.
Competitor price monitoring and repricing for online stores, tracking rival prices across sites and marketplaces.
Price and assortment intelligence for retailers and brands, comparing your catalog with competitors online.
Competitor price monitoring service that matches your products to rival listings and reports price changes.
Digital shelf and pricing analytics for brands and retailers, covering prices, availability and search placement.
Digital shelf analytics that tracks how a brand's products show up, rank and sell across online retailers.
Retail pricing and product matching analytics for retailers and brands watching competitor catalogs.
When choosing a tracker, check which sites and marketplaces it covers, how often it checks prices and how it matches products, since a wrong match makes every comparison wrong. For alert-based tools, see whether alerts can be tuned so you only hear about changes that matter. For digital shelf platforms, ask which retailers are covered in each country and how search positions are collected.
Use tracking data to understand a market. Avoid letting it pull you into a price war. Matching every cut from a rival can push a product below the margin you worked out. Many sellers set a floor price from their profit math and let tracking inform decisions above it.
Tracking also helps after launch. When a competitor runs out of stock, their buyers look elsewhere, and a quick alert lets you raise ad spend while demand shifts. When a new seller enters with a lower price, history shows whether they hold it or give up after a few weeks. Over a year, the data builds a picture of how your niche behaves around holidays, sales events and supply problems, which makes your own pricing and stock plans less of a guess.
How the price moves through the year, whether rank stays steady at that price, how often the product runs out of stock and how many sellers compete. It helps you judge whether your target price is realistic.
It tracks how a brand's products appear on retailer sites: price, availability, content quality, ratings and search position for key terms. It is mostly used by brands selling through several online retailers.
It depends on the category. Fast-moving consumer goods and electronics can change daily, while niche items change rarely. Pick a frequency that matches how often you would actually change your own price.
Not automatically. Set a floor price from your full costs and margin target. Tracking shows when a cut is temporary or a rival is clearing stock, which often means waiting is better than matching.