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Not all publishers are rushing over to the tablet – Hello! is one sceptic. And not all have made it quite yet – Natmag expects its first app for Men's Health to be available in March (the publisher also points out it has made all its magazines available through Zinio).

Considering the iPad only went on sale in the UK at the end of May last year, it's no mean feat that at least 15 magazines have already launched app versions or spin-offs.

UK publishers as diverse as Condé Nast, Dennis and Northern & Shell have colonised the touchscreen world created by Steve Jobs.

Tech titles were natural early adopters. Among the first was Dennis with MacUser in May 2010,  while the most recent was BBC Magazines with .

Other sectors such as fashion (Condé Nast's Vogue) and entertainment (Bauer Media's Empire) are also getting in on the act.

While this round-up coincides with the biannual release of magazines' audited print circulation, there is as yet no compulsion on publishers to reveal download figures.

Few have been willing to disclose their numbers, but credit to Dennis, which claims 73,429 cumulative downloads for the free iGizmo app and 7,800 regular monthly downloads for the £2.99 Macuser app. BBC Magazines also diclosed a figure of 36,037 cumulative downloads for Good Food and 22,000 cumulative downloads for science title Focus.

Future, which claims to have launched 17 iPad apps in the UK so far, had not supplied full data by the time of publication. Its apps include T3 and Classic Rock's Best 200 Rock Albums of the 70s.

Frequency key: M - monthly / F - fortnightly / S - single one-off / D - daily