Hi there, data shows that over 65% users discover new apps on the app store, then the app store is one of the great "place‘’ to promote apps. You can promote your app in the app store with the following methods:

App Store Optimization
App Store optimization, it aims to boost app ranking on the App Store, you can do it by optimizing the following methods:
· Keyword research - the most important part for ASO. You should take relevance, competition and traffic into consideration.
· Place the important ones in app title, subtitle, developer name and the name of in-app purchase items, which are beneficial to increase app ranking
· Optimize app icon, screenshots and video, which can increase the download rates.
· Optimize app description, most people just browsing the first 3 lines, then make sure the 3 lines attractive.

Get positive app reviews on the App Store
The reviews were simply too critical to app discovery and downloads to leave up to chance. 95% users prefer to download an app which has much more positive reviews. 88% users trust reviews as much as personal recommendations. Here are some effective ways to get app reviews:
· Invite families and friends review your app
· Reviews exchange
· Incentivize users to give positive reviews
· Use some useful plug-in
· Buy app reviews（Bestreviewapp: https://www.bestreviewapp.com/?from=cr-chris）

Get featured on the App Store
Once your app get featured on the App Store, you can expect a great conversion rate with lots of new installs. Some tips on getting featured on the App Store:
· Build a high-quality app
· Make a Unique App(Visual Design)
· Use Apple Pay for payment within native apps
· Find creative ways to implement 3D Touch
· Keep High Downloads
· Keep Your Ratings Up
· Gather Positive Reviews
· Optimize your app store listing
· Know Apple Well

Hope those methods are useful to you.