Hi there, most people discover new apps by browsing or searching on the App Store, then increase app visibility is one of the best ways to increase app downloads. There are 2 ways to increase app visibility on the App Store, one is boosting app ranking, the other one is increasing keywords coverage.

Boost App Ranking on the App Store
App Store Optimization is a free way to increase your app ranking, just like SEO. About ASO, the most important part is choosing keywords, follow these 3 key tips when choosing your keywords:
· Look for keyword relevant to your app
· Choose keywords with lower difficulty scores
· Choose keywords having highest traffic scores
To get a higher ranking and download rates. you should balance the difficulty and traffic. For new apps, target those keywords which have low competition and traffic is a good choice, which are much easier to rank for. You can analyze the 2 factors with App Annie or other app keyword tools.

After getting the right keywords, you should place them in your app title, subtitle, keywords field, developer name and the name of in-app purchase items to increase your app ranking.

Increase keywords coverage
The more keywords your app covers, you more chances it will get to be discovered and installed. Some ways to increase keywords coverage:
· Avoid Repeating Keywords
· Use digits not words
· Use Shorter Keywords
· Wipe off connectors and stop words

If fact, you can get some positive app reviews(https://www.bestreviewapp.com/?from=sr-chris) to increase the download rates, which will not cost you much, but boost app downloads efficiently)because most people will check the app reviews before downloading an app, and 80% users have changed their minds about downloading an app based solely on the negative reviews they read. Then it's really worthy.

Hope these methods are useful to you.