Mary

For error monitoring tools to I use https://www.bugsnag.com/

becose has a very intuitive dashboard to find all the errors that happened in your applications segregated by platform, device model, users, app version, and an infinite amount of predefined and custom filters you can add dynamically.

For monitoring employee I use http://www.spydetectfree.com/ becose

there is data accuracy, employee/agents attendance, he also enables blocking of certain websites & programs which ensure productivity.