When comparing Atatus vs Sentry, the Slant community recommends Sentry for most people. In the question“What are the best JavaScript client-side error logging services?” Sentry is ranked 2nd while Atatus is ranked 11th. The most important reason people chose Sentry is:
It's what Sentry calls [Rollups](https://docs.sentry.io/learn/rollups/]. All individual issues rolled-up can still be drilled down. Also two issues can be **merged** manually.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Timeline feature breaks down user actions so you can better reproduce the issue
Atatus will break down the specific user actions that lead to an error, so you can see what they did before the error occurred. For example, you could see what they typed into a form, and what they clicked on that lead to the error.
Pro Monitors AJAX requests
Pro Monitors page load performance
Pro Easy integration with segment
Atatus has an integration with the segment setup api that allows you to set it up without having to find and paste keys.
Pro Consolidates similar errors and makes resolution easy
It's what Sentry calls [Rollups](https://docs.sentry.io/learn/rollups/]. All individual issues rolled-up can still be drilled down. Also two issues can be merged manually.
Pro Email/Slack/GitHub/Hipchat integration
Newly discovered issues (i.e. one that isn't rolled-up under and existing one) can generate an instant notification via many means.
Pro Has an official Docker image
Sentry has an official Docker image which means it's likely going to be well reviewed and maintained for a while and it makes it easy to set up.
Pro Completely open source, with a hosted version available
Sentry is a completely open source tool. It's free to use if you want to run it on your own. If you want to avoid the overhead of running and maintaining another server, it also has a hosted version available at www.getsentry.com
Pro Source maps support
Has support for source maps.
Pro Can create projects and teams
A single Sentry server can be used for various teams/products.
Cons
Con Not really a logging solution
Sentry collects exceptions, it's not a solution for log aggregation.
Con Can't filter by browser versions
Sentry only filters by browser names and not by browser versions (for example: Firefox, instead of Firefox 27, Firefox 28 etc...)
Con No free cloud hosting
Unfortunately there is no free plan for cloud hosted solution. Only self-hosted solutions are free to use.