GapDebug - GapDebug is a comprehensive mobile debugging tool that bridges the gap left by other debugging options.
Bugfender - Cloud logging for your apps, not only crashes matter
Chrome Mobile DevTools - Mobile Debugging Tools
FLEX - An in-app debugging and exploration tool for iOS.
Dotzu - Dotzu is an in-app iOS debugging tool.
Bugsee - See video, network & logs leading up to bugs or crashes