One of the most popular services today is the promotion of the site, to achieve them first places in the search results. There is something similar in App Store - there are companies that are engaged in raising applications in Top 25.
Moreover, this activity has acquired hitherto unknown scale. On the Internet, it is not difficult to find offers for the promotion of any program. Moreover, the cost of a one-time rise to the Top 25 will not cost too much, $ 5,000. Considering what incomes are sometimes received in App Store developers of popular applications, it is not surprising that many of them are willing to take risks.
It got to the point where Apple officially stated that she strongly advises no one to use such services. If the fact of promotion is nevertheless discovered, the program will be removed from the store altogether, and its creator will be deprived of membership in the Apple Developer Program. Moreover, examples already exist.
Apple strongly recommends using only honest ways to increase the rating of the program. The company provides a detailed description of how to do it correctly. However, the best way to get into the Top 25 is to create a really good app.