The Guardian
Yes, both Errorception and TrackJS offer a Free Trial.
Errorception is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
TrackJS is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Errorception and TrackJS are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Errorception includes Instabug, Sentry, Bugsnag, Usersnap, Marker.io and TrackJS.
Some top alternatives to TrackJS includes The Bug Squasher, Sentry, ReportBugz, Errorception, Marker.io, Ybug, Bug-Track.com, Disbug and Crash Catch.