Application Insights is an all-in-one analytics solution, and it is part of the Visual Studio Online services.
Application Insights is in preview.
The Application Insights Status Monitor and SDK are updated. It is not required that you update the Status Monitor or SDK; however, updating enables new functionality.
The latest release of the Application Insights Status Monitor provides an update to the runtime instrumentation agent, which automatically discovers your code dependencies such as SQL Server databases calls to external HTTP endpoints and Azure storage accounts. The Status Monitor automatically configures Windows performance counters to be collected and sent to the Application Insights service every minute.
Learn more about configuring the Applications Insights Status Monitor and the SDK