Retention KPIs

Writing notes helps me think more clearly. I share them in case someone spots a gap in my thinking. Retention is the most important KPI in free-to-play mobile games. It is a measure of how many players are returning to the game after installing it. Given the option, who would you prefer, a user who pays $100 once and never comes back or a user who pays $10 every week for 365 days? Obviously, you…