Is this a social app? If so, you can win through the culture of the community that uses your app. Today, social is not as much about the technology or product, it is about the people that use it.

For example, I use hackernews not only because it is simple and easy to see others' contributions, but because of the content that people produce and the intelligent conversations the community creates on the site. That aspect of a product is invaluable and more difficult than any technology problem you will encounter.