According to published reports, Sensor Tower has closed a $1 million round of funding to deploy an app analytics service. Rembrandt Ventures led the round, which also included Merus Capital, Bertelsmann Digital Media Investments, Pejman Nozad, Mar Hershenson, Ariel Poler and Maneesh Arora.

Sensor Tower develops easy to use App Tracking tools that offer the opportunity to optimize your app for a variety of searches. SensorTower tracks all of your keyword performance for you, providing accurate keyword results, historical data, alerts and more.