Firebase Crashlytics - The most powerful, yet lightest weight crash reporting solution for iOS and Android developers. | Crashlytics

Sentry.io - From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.

Shake SDK - Bug and crash reporting tool for your mobile app

Apptentive - Apptentive’s mobile customer engagement software helps companies listen to, engage with, and retain their customers.

BugSnag - Not all bugs are worth fixing. Prioritize and fix software bugs that matter while improving software stability with every release.

Mixpanel - Mixpanel is the most advanced analytics platform in the world for mobile & web.