Below is a list of apps that are capable of the OS 3.0 feature: Push Notification. At least 20 apps so far, but expect the list to grow quickly these coming weeks. I think this feature will become a very popular one.
By Whatever Software
An interesting take on a weather app. A Push Notification tells you when you should grab an umbrella.
By ngmoco, Inc.
Send friends direct challenges via push notifications
By Smule
The OS 3.0 update allows you to judge other performances or put yours out there for the world to see. When someone judges your performance you’ll be sent a push notification to let you know.
Tap Tap Revenge 2.5 With Themes
By Tapulous
You’ll receive text alerts when a friend challenges you to a game and the app’s icon will be badged with a count for unread feed items.
By SHAPE Services
NOT LIVE YET. IM+ 3.0 is push notification ready as of the latest version. This may be a goto app to play with the push service once it is available. IM+ 3.0 supports a plethora of popular services including, Twitter, Skype, Facebook, Yahoo, AIM, MSN, ICQ, Jabber, Google Talk, MySpace.
The total list can be viewed here: Definitive list of push-capable-apps.
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Beejive 3.0 is also waiting Apple’s approval since wednesday to introduce push notifications.
Are all of these free?
I was looking for a push notification RSS app… that would be really worth having, but I couldn’t find any. Anyone know of one?