WEM vs PriceRunner

PriceRunner is a long-established price comparison service, owned by Klarna. WEM is a marketplace spanning shopping and travel with a free Amazon/eBay extension. A factual comparison of what each does.

What WEM is: WEM is a global marketplace that helps shoppers discover products and travel across partner retailers, compare options when it helps, and check out on the merchant — free for shoppers, funded by disclosed affiliate commission.

What PriceRunner does

PriceRunner is a price comparison service founded in Sweden and acquired by Klarna in 2022. It compares products across a large catalogue of retailers, publishes product reviews and specification data, and maintains price history charts. It operates across several European markets including the UK.

How WEM differs

  • WEM covers travel — hotels, stays, car hire and activities — alongside products. PriceRunner is product-only.
  • WEM publishes a free Chrome and Edge extension that compares prices on Amazon and eBay product pages.
  • WEM exposes machine-readable entry points for AI assistants, including an agent API.

When PriceRunner is the better choice

  • You want deep price history and specification data on mainstream electronics — PriceRunner has been building that catalogue for far longer.
  • You want editorial product reviews and test data alongside prices.
  • You are shopping in a European market where PriceRunner has established retailer coverage.

What they have in common

  • Both compare a product across multiple retailers and link out to buy.
  • Both are free to use and funded by commercial arrangements with retailers.
  • Both cover the UK market.

Common questions

Is WEM the same kind of service as PriceRunner?
They overlap on product comparison, but WEM is a marketplace rather than a pure comparison engine: it covers travel as well as products, and comparison is one tool inside it. PriceRunner specialises in product comparison with price history and reviews.
Who owns PriceRunner?
PriceRunner was acquired by the Swedish payments company Klarna in 2022.
Browse WEMGet the free extension

Other comparisons

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Comparison information describes each service's publicly documented features and was accurate when written. Company features change — check the provider's own site before relying on any detail here. Named brands are the trade marks of their respective owners and are referenced for identification only.