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Instead of just showing you the stack trace, Crashlytics performs deep analysis of each and every thread. We de-prioritize lines that don't matter while highlighting the interesting ones. This makes reading stack traces easier, faster, and far more useful! Crashlytics' intelligent grouping can take 50,000 crashes, distill them down to 20 unique issues, and then tell you which 3 are the most important to fix.

Instabug is a platform for Real-Time Contextual Insights that completely takes care of your bug reporting and user feedback process; to accelerate your workflow and allow you to release with confidence.

Crittercism, based in San Francisco, California, is the world’s first mobile application performance management (APM) solution. The company’s products monitor every aspect of mobile app performance, allowing Developers and IT Operations to deliver high performing, highly reliable, highly available mobile apps. Crittercism provides a real-time global view of app diagnostics and crashes across iOS, Android, Windows Phone 8, Hybrid and HTML5 apps and is used on more than 800 million unique devices and in more than 250 billion app sessions. The company’s investors include Google Ventures, Opus Capital and Shasta Ventures.

The awesomest way to report bugs & collect feedback It allows users to mention bugs in most interactive way