I found this url about Apple AppStore:
How $96,000 can buy you a top 10 ranking in the U.S. app store | VentureBeat
Do you have info about costs of top 10 free/new free in Google Play?
I found this url about Apple AppStore:
How $96,000 can buy you a top 10 ranking in the U.S. app store | VentureBeat
Do you have info about costs of top 10 free/new free in Google Play?
I don’t have such info but Google Play is cheaper than App Store. So maybe 70% of what is needed for AppStore.