No Venture Capital, no “we’ll figure out how to make money later” strategy, just shipping an app that costs money. I guarantee you these guys have made $100k more than a service like Instagram without 1 million users.

The authors also dive into the importance of good service and launch and post-launch factors for success.

App pricing : by keeping our app at $9.99, we are able to do well with less sales. Because it’s a niche app for professionals, we think the price is not as much of a barrier. With a higher price point, just a single app sale in every country will result in a decent take for one day.