iPhone App
Here is a list of iPhone Advertising networks, great ways to monetize an iPhone application – aka iphone app.

Application Advertising
The following have specific iPhone application advertising solutions for those that have created iPhone applications and wish to earn revenue by placing advertising in their iPhone application. Some of the following advertising networks are exclusively iPhone applications and others have programs for iPhone applications as well as other publisher solutions.

For Revenue:

• Medialets : Insert ads into your application using easy to drop in Objects, also track your users interaction with your application, earn a CPM.
• AdMob : Offers ads for your iPhone using Javascript” code. AdMob has been around for a while and has publisher solutions for mobile phones, not just iPhone applications.
• PinchMedia : Offers ads and analytics for your iPhone application, exclusively for iPhone applications.

For Ad Swapping:

• PurpleTalk : PurpleTalk allows you to join an advertising exchange with other iPhone developers. You earn advertising views of an advertisement for your application when you advertise others. You do not make money with these ads however it is a free way to increase the adoption of your own application.

For Analytics:

• PinchMedia : Offers analytics for your iPhone application, exclusively for iPhone applications.

As iPhone’s become more popular by the day, and applications become more widely used your application may become a nice revenue generator. Many options exist.

if you have a new application you could use the PurpleTalk code to gain free exposure and hope to increase your application adoption. Once you have gained adoption and increased usage you could add the advertising code from one of the above iPhone Publisher Networks and start earning revenue from your inventory.