There are currently 1.5 million apps in each of the leading app stores (Android and Apple). With that level of competition, it may feel overwhelming to consider how you can promote your app with little to no budget.
The answer lives in the Nielsen report which found that 63 percent of app users find apps through app store search. Furthermore, search makes up the vast majority of app installs because users searching have the intent to install what they are looking for. Therefore, optimizing your app to show up in relevant app store searches is essential to its promotion.
Read the full article at AdWeek's "Social Times" blog