A practical guide to price history tools and the habits that consistently save Amazon shoppers money.
Amazon changes prices millions of times a day. A product that's £49.99 today might have been £35 three months ago — or it might be at a genuine all-time low. Without price history data, there's no way to tell. This guide covers the tools and strategies that take the guesswork out of Amazon shopping.
Amazon uses algorithmic pricing across its marketplace. The price of a product is influenced by competitor prices, stock levels, historical sales velocity, time of year, and dozens of other factors. Third-party sellers also have their own repricing software that reacts to these changes. The result is a marketplace where prices are in constant flux — sometimes by pennies, sometimes by significant amounts.
This works in your favour if you know when a price has genuinely dropped. It works against you if you buy at an artificially inflated price that's about to drop.
Keepa is the most comprehensive Amazon price tracking tool available for UK shoppers. It records the price history of virtually every product on Amazon and presents it as a chart directly on the Amazon product page (via a browser extension). Key features:
The browser extension is free and works on Amazon.co.uk. There's a paid tier for more advanced features but the free version covers everything most shoppers need.
The Keepa chart uses colour-coded lines for different price types. The key ones to focus on:
Look for the historical range of the orange or blue line. If today's price is near the bottom of the historical range, it's likely a genuine deal. If it's near the top — or if the price was suddenly raised shortly before being "discounted" — it's worth waiting.
💡 Red flag to watch for: A price that was artificially raised 30–60 days before a sale event (like Prime Day) and then "discounted" back to its normal level. Keepa's chart makes these manipulation attempts obvious.
Both Keepa and CamelCamelCamel (another price tracking service) let you set alerts for specific products. Here's how to use them effectively:
If you don't want to manually track individual products, our live deals feed does the monitoring for you. We track Amazon UK prices continuously and surface the most significant drops automatically — particularly where Amazon's own price has fallen notably against its recent history. Check the feed daily and you'll catch the best deals without any setup or manual checking.
Some patterns are consistent enough to be worth knowing:
Of everything in this guide, the single most impactful habit is simple: never buy a product costing more than £20 without checking its Keepa price history first. Ten seconds of checking can save you from paying significantly over the odds. Once this becomes a habit, the savings compound quickly over the course of a year.