We draw our own graphs using a product called Cyfe--it's a graphing cloud service that plugs into the data that's collected in Mixpanel, and allows us to draw retention graphs that we can't get out of Mixpanel.
Co-founder - Cloudo
1%Stacklist Startups Are Using Cyfe
Cyfe is an all-in-one business dashboard app that helps you easily monitor all your business data from one place.
Visit the website: http://www.cyfe.com/