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