“The Wall Street Journal” will start selling single-issue digital versions of its morning paper for US$1.99 in the within the existing free app, according to “paidContent” (http://macte.ch/XQ9PU).

Until now, those who downloaded the free “WSJ” app for the iPad could receive some free content, but to get the full range of the WSJ’s updated news and features, they had to subscribe. There will still be limitations on what the readers who choose the single-issue download can receive, says “paidContent.” In essence, they’ll just get what’s in that day’s print edition. But they’ll be able invited to get the full “Now Edition” for $18 a month, which includes regular news updates.

Right now, any current WSJ subscriber with a log-in can get full access — to the site and all the apps — and that won’t change. In addition, the WSJ recently began offering a digital bundle offer. Basically, for $3.99 per week, you can get full access to WSJ.com and its suite of digital products (iPad, Android Tablet Edition, iPhone and BlackBerry apps).