New pricing for Notification Hubs takes effect on September 1, 2014, and includes changes to our existing pricing tiers. With a per-push price reduction of at least 95 percent for Basic tier and 50 percent for Standard tier, most customers will see a decrease in pricing. Along with these changes, we are also updating our Free tier to include 1 million pushes.
For more information, visit the Notification Hubs
page. For a comprehensive look at the updated tiers and pricing, see the Notification Hubs Pricing Details