More about the 5 Best Frontend Error Monitoring Tools.
While both Sentry and LogRocket have error tracking and session replay tools, LogRocket is quite a bit better at capturing the right sessions, and Sentry will manage errors better. Both tools are quite expensive. For a lower-cost alternative to frontend error tracking, consider TrackJS.
With TrackJS, the focus is on errors occurring on the browser. Filtering is second to none, and the quick views of trending errors are helpful in digging past the 3rd party script noise. It filters down to the core issues.