Opera magazine have an iPhone App of the magazine in the iTunes store. Exact Editions have just released a new and improved version of the App which enables the subscriber to 'synch' the contents of the most recent complete issue on to the phone. This enables faster reading and off-line reading (eg on the subway or in the interval!). The App can be bought on a trial subscription basis for 7 days and then renewed for additional periods of 7 or 30 days (a 30 days sub is £3.99/$ €. Subscriptions also offer the user access to a substantial archive of back issues from the last three years.
The Opera magazine iPhone App is in the App store
And a digital edition for access through any web browser can be sampled on the Exact Editions site. Annual subscriptions to the digital magazine cost £45.