It requires thought for the customer to realize they can do that, and thought equals friction in a transaction, it costs you customers.
You could get the same effect without the friction just by offering the first issue free and then putting the "Buy Now" buttons on the following issues. That lets you put the word "FREE" next to one issue, which will indicate to people that it's safe to click on if they're uncommitted. No thought on their part required, which should translate to more downloads.
You could get the same effect without the friction just by offering the first issue free and then putting the "Buy Now" buttons on the following issues. That lets you put the word "FREE" next to one issue, which will indicate to people that it's safe to click on if they're uncommitted. No thought on their part required, which should translate to more downloads.