Quettra recently released a mobile marketing study that points to a significant problem facing many mobile applications: low user retention. The rankings of the most popular Android apps suggest that there is a relationship between the popularity of the app and its retention rate. Applications in the top 10, that is, the ones that generate the most downloads, retain more users. On the other hand, the least popular apps, those in the Next 5000 category (see chart), keep barely 13.62% of its users.  Continue reading