This app is free to download and use.
From the iTunes App Store Description:
The UN News Reader is a free mobile news application for quick and easy access to all stories from the UN News Centre. With a simple, user-friendly interface, you can read up-to-the-minute latest stories or browse by subject and geographic region. The News Reader downloads the latest feed to your device so you can read stories offline later, plus you can save them as favourites for quick reference.
From the Learn More/Download