Once you’ve got that rank, it can become self-perpetuating and drive even more downloads. These aren’t really big numbers, so it doesn’t take a lot to become a trending or “hot” app. My app had only got 6,000 odd installs in a few days when it started to hit the trending charts. Relatively few installs are needed to drive rankings.I learned later that many people thought the app was a scam based on the description, but were won over by the dozens of happy users posting positive comments. After inviting people to Google+, I shared a post with them, asking if they could spend a few moments to post about their experience on the Android Market page. Many people who downloaded this app did so because of the positive comments. Positive comments (and ratings) are worth a lot.

Without the Android Market this app would never have taken off. But for all my apps so far, the Google Android Market has been the predominating revenue generator. If you’ve got some goods or services of value that you can offer from within your app, incentive advertising (from companies like TapJoy) can be far more effective than click-based alternatives such as AdMob.įor many apps, the third-party app stores have a significant impact on sales and revenue.

Incentive advertising can be very effective.

What are some of the lessons I’ve learned? Despite the abrupt ending, this was a very interesting and worthwhile experience – the first app that I could really call successful, and my first experience with incentive advertising networks.

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