Dealophant vs Keepa, CamelCamelCamel and Honey

Keepa and CamelCamelCamel track how a single Amazon listing's price has moved over time, and Honey applies coupon codes at checkout. Dealophant is a different kind of tool: it ranks every in-stock listing in a category by price per unit, using live Amazon prices, so you can see which one is the best value before you buy anything.

How the four tools compare

What it doesHow you use itRanks by price per unit?
KeepaTracks an Amazon listing's price history over timeBrowser extension, plus a websiteNo
CamelCamelCamelTracks an Amazon listing's price history over timeWebsiteNo
HoneyApplies coupon codes at checkoutBrowser extensionNo
DealophantRanks every in-stock listing in a category by price per unit, using live Amazon pricesWebsite, no extension or account requiredYes

The difference between a price history tracker and a price-per-unit tool

A price history tracker like Keepa or CamelCamelCamel answers one question: is this specific listing, the one you already picked, priced well compared to its own past? Both track a single Amazon listing over time and chart how its price has moved. Neither compares that listing against other pack sizes or brands in the same category, and neither computes a price per ounce, per roll, or per pod.

A price-per-unit tool like Dealophant answers a different question: of every in-stock listing in this category, which one is actually the cheapest per unit right now? It doesn't need price history to answer that, because it recomputes price per unit from live Amazon prices on every search.

Does a coupon extension help you find the best price per unit?

No. Honey applies coupon codes at checkout, on whatever listing is already in your cart. It doesn't compare pack sizes, brands, or unit prices across a category, so it can't tell you whether the listing you picked is actually the cheapest per unit. Dealophant does that comparison before checkout: it ranks every in-stock listing in a category by price per unit so you pick the best-value listing first. The two aren't in competition. Use Dealophant to choose the listing, then look for a coupon code at checkout.

When to use which

Keepa, CamelCamelCamel and Dealophant all deal with Amazon prices, but they answer different questions, and they complement each other rather than compete. Use Dealophant first, to find which listing in a category is the cheapest per unit right now. Then, if you want to know whether that specific listing's current price is a good one historically, check it on Keepa or CamelCamelCamel. Apply a Honey coupon code at checkout if one is available. None of these steps replaces the others.

FAQ

What's the difference between a price history tracker and a price-per-unit tool for Amazon?
A price history tracker like Keepa or CamelCamelCamel shows how one specific Amazon listing's price has moved over time. A price-per-unit tool like Dealophant instead compares every in-stock listing in a category side by side and ranks them by price per unit, using live Amazon prices, so you can tell which listing is the best value before you've picked one.
Does a coupon extension like Honey help you find the best price per unit on Amazon?
No. Honey applies coupon codes at checkout to whatever is already in your cart. It doesn't compare pack sizes, brands, or unit prices across a category. Dealophant ranks every in-stock listing in a category by price per unit before checkout, using live Amazon prices, so you pick the best-value listing first and can still look for a coupon code afterward.
Are there tools more focused on unit pricing than general Amazon price comparison sites?
Yes. Dealophant is a free website, with no browser extension or account required, built specifically to rank every in-stock Amazon listing in a category by price per unit, using live Amazon prices. That is its only job, rather than one feature among several.

How Dealophant calculates price per unit · Browse all 50 categories