White Hat ASO is the opposite of Black Hat ASO. Generally, White Hat ASO refers to any practice that improves your search performance on a App Store Listings (APL) while maintaining the integrity of your app and staying within the app store search engines’ terms of service. Best practices include usage of LEGIT optimization strategies, techniques, and tactics that focus on a human audience as opposed to search engines.
ASO White Hat 2016 Strategies
ASO White hat strategies continue to provide the most benefits and these include a lot of what we talk about on my blog.
See my guide also for Google Play ASO also for specific best practices for ranking higher and converting more relevant users in the app stores, without the risk of penalties or suspensions.
Remember that these app stores are closed marketplaces, and are continously booming.
The app review teams are busy, and the reward for those who follow their rules is high enough, since they have little tolerance for developers and publishers who push the envelope well past their respective policies.