Beginning March 28, prices start at $15 for four weeks of full access to the website and the smart phone app.

Subscribers to the printed edition will keep free access to the website and apps.

Others will be able to view 20 articles a month for free on the website and see the “Top News” section in the apps.

Newspapers are trying to increase digital revenue as online ad revenue, while growing, hasn’t fully offset the declines in print.

A similar system will go into effect on Thursday in Canada, which will serve as a testing ground.