More about the 5 Best Frontend Error Monitoring Tools.
LogRocket provides Session Replay and product analytics while Raygun is a full featured error monitoring service. LogRocket is better suited to product owners, and Raygun will be best for fullstack DevOps teams. For a cheaper, front-end error tracking alternative, 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.