You can monitor install and rating and daily change of these metrics. You could add competitors too and track their performance.
Add custom keywords and enable tracking of position in search results. The dashboard displays current positions and daily change (if any).
Once you signed up and confirmed your e-mail and added at least one extension you will start receiving digest.
Premium users are allowed to receive digest with Slack.
Once you added an integration you can generate a test message.
Slack digest contains the same data that you receive by email