A little more than a month after launching an iPhone app in invitation-only beta, Oyster is making its e-book subscription service available to all users and expanding to iPad.

Oyster charges $9.95 a month for access to more than 100,000 books from big and small publishers, but it now offers users one free month with the hope of getting more people to try the app experience. The startup declined to provide data on the number of users or books read during the beta period, but noted that 1 million pages were read in the first 10 days the app was available and another million pages were read in the following six days.

Read: Oyster Brings ‘Netflix for E-Books’ App to iPad, Opens to Public | Mashable.

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