Argos' new iPhone app has been downloaded 500,000 times in the three weeks since its launch on May 22.
The free app is available on iPhones and iPads and has ranked consistently in the top 10 free app downloads on the iTunes App Store, coming first in the Lifestyle category.

Users have posted more than 1,600 reviews of the application, with customers placing pools and water games, tents and digital cameras as the top three performing categories.

Online sales at Argos have reached 32% of all company sales, with Check and Reserve, where customers can reserve products online ready for instant collection in their selected store, accounting for 22%.

Argos' head of multi-channel development David Tarbuck said: "We are thrilled with the early success of the Argos iPhone app and happy that customers are using it as an opportunity for shopping at Argos while on the move. The first version of the Argos app has been specially designed for those using our pioneering online 'Check and Reserve' service. The feedback so far has been overwhelmingly positive. We will continue to listen to our customers and use their comments to improve the Argos iPhone app and shape our future developments."