Your app is nothing without users. So, when you post your mobile app on the App Store, user acquisition becomes your main goal.
App install ads on Facebook are really effective.
Have you developed an awesome iOS app and submitted it to the App Store?
Instagram is a social network that has lots of active users who are ready to engage with new content.
New apps appear on the App Store and Google Play every day.
App user acquisition cost has been steadily rising for some time now.