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