An iPhone app that allows consumers to compare supermarket deals has been launched by grocery shopping and comparison website My Supermarket.

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The free tool, which compares the best offers across Asda, Tesco, Ocado and Sainsbury’s, allows customers to scan the barcode of a product to seek out cheaper alternatives.

The app provides a detailed product description, compares the prices across the supermarkets and displays cheaper alternatives. Scanned products are also saved on both the iphone as well as the shopper’s My Supermarket account for later referral.

My Supermarket marketing manager Dalia Mays said: “We’re really excited about this new application. My Supermarket shoppers will now – for the first time – be able to seek out the best deals and get the best value for their money, while on the move.”