Yes, both Sentry and Dynatrace offer a Free Trial.
Sentry is designed for Large Enterprises, Medium Business and Small Business.
Dynatrace is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Sentry and Dynatrace 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 Dynatrace includes ManageEngine Applications Manager, Scout APM, Datadog APM, New Relic APM, AppDynamics, Instana, Thundra APM, APImetrics, Azure Monitor and Acure.io.