No matter how great a product is, if it's marketed poorly the people who need and want it might never even hear of it. Word-of-mouth advertising is wonderful, when you can get it. But a carefully planned advertising campaign is the best way to market any product, especially an iPhone app.

Just uploading that wonderful app isn't nearly enough. Over 2 billion applications are trying to get the same people's attention as your app. You have to take steps to make yours stand out above the crowd and learn how to market iPhone apps or your app can easily get buried in the crowd.

If you've ever marketed any kind of software, you have an advantage when it comes to iPhone apps. Tips abound online about things to do and ways to market these applications. But good marketing principles will get you farther than almost anything else.

If you're very unfamiliar with marketing campaigns and don't have the desire or the time to learn a few basic principles, then you might consider hiring a iPhone application marketing company to help you promote your iPhone app. Otherwise, there are many things that you can do yourself.

When you created your app, early on in the idea-judging process, you should have had a clear idea about who would benefit from your app, or who could use it to solve a problem. This will be your targeted customer audience. If you didn't do this step when developing the app, you need to do it now. Think about who would be interested in the iPhone app. Is it a social media app that lots of chatty teens will enjoy or is it a productivity app designed for the busy business professional? Figure out who your app is for.

You'll also need to think about who you have to compete with for those customers. What other apps or even other types of software offer the same or similar things? What's special about your app that sets it apart or makes it better than those things?

Once you've figured out who the app is for, who your competition is and what's special about your product, you'll know the points to use to market the iPhone app. And one way to generate interest in the app is to use social media like Facebook and Twitter to point out its benefits.

You could also start a blog about the types of things your target audience are interested in. Include links to your iPhone app, especially when you've been blogging about the problem topics that your app solves. A great way to market your iPhone app is to write guest blog posts for blogs on related topics and include a link to your app or your promotional materials.