According to the situation what you have said, you want to find some effective way to advertise your app and get more revenue. In order to achieve this goal, you have to optimize your app before your app come across some problems. Today, I will introduce the way of optimizing app, including the free promotion and paid promotion:
(1)social media: you can advertise your app in some social media, like Facebook,Instagram. Adding some friends about app developer to share the experience and idea with them. Of course, you can reply relevant post in some forum to advertise your app, remembering put your app link in your reply.
(2)content marking: by writing blogs and essays to introduce your app, raising the publicity of your app.
(3)cross promotion: if you have published more app that have received good responses, you can use the platform completely to advertise your app, because the potential audiences are the precious resources for your new app.
(4) special website: you can put your app on some special websites, like classified sites and review sites. The installs will increased when audience browsing these websites.
(5) optimize the name, icon, description and screenshots is a good way to promote your app. For most people prefer to choose an app that have appealing icon and have useful reference information.
(6)Get your app featured in appropriate sections in the app stores:It is important to get your app feature in appropriate categories as that will help store filters to present your app to audience who actually want it. Posting an app in an irrelevant category just loses audience.
inviting some popular stars and bloggers to advertise your app
publish some news and advertisements directly to popularize your app
put the video of your app on websites to advertise your app
(2)leverage your app website::you can create a website of your app, crafting the page and designing a beautiful interface of your website. The users can communicate with others in this platform, and you can find the potential problem of your app by reading the messages from the users and find the relevant solution to solve these problems.
(3)app store optimization:
do keywords research: the quality of keywords affects your app ranking. However, promoting the quality of keywords is a tough task, including the relevance, competitive, localization and plural. So, it is necessary to optimize your keywords using some effective ways. If you have enough budget, you can collaborate with a reliable app store optimization company to promote the search ranking of your app.
ratings and reviews:audience would like to choose one app with more positive reviews, indeed, the reviews also influence the installs of your app. So, you can buy some good ratings and positive reviews to help you if you have enough budget.
(4) pre-loaded your app: you can pre-loaded your app in app stores, which can guide the audiences to install your app indirectly. Although it will took much money, the results will be apparent and soon.
Wish these methods will be useful!