App Store Optimization (ASO) is the process of improving the searchability and conversion rate of an app in the App Store. The process mainly includes selecting the most popular related keywords and designing the best visual contents for persuading the audience to install the app.
In general, the main goals of ASO are to improve the rank of an app for each of its keywords and to enhance the users' experience when they browse the app in the App Store.
has revolutionalised the way people would think of apps.
is growing fast as a platform and so is the demand for apps.
focused on customer needs, and entertainment experiences.
Yes, because online advertisement is expensive. Simply investing on mobile ads is not possible for a lot of developers. Some may decide to buy ranks and fake reviews but most mobile company is very active in cracking down illegal downloads. That is why ASO is popular among developers because it is effective, it is totally affordable, and it does not violate App Store's rules.