Instabug allows testers and users to report bugs and send feedback in-app with simply shaking their phones. Instabug's SDK attaches screenshots, screen recordings, device details, user steps, and all the logs you need to debug and iterate faster.
15,000+ of the top apps rely on Instabug for bug reporting, crash reporting and in-app feedback.
Feature Audit plots your customers' activity on two axes, popularity (X) and frequency (Y). The features in the upper-right are killing it; the others may need some attention.