Yes, both Databox and GreyMetrics offer a Free Trial.
Databox is designed for Large Enterprises, Medium Business and Small Business.
GreyMetrics is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Databox Starts at $135/Month when Billed Yearly whereas for GreyMetrics Starts at $49.
Some top alternatives to Databox includes Alteryx, iDashboards, DashThis, Geckoboard, Grafana, Klipfolio Dashboard, Dundas BI, myDATA3, SimpleKPI and BrightGauge.
Some top alternatives to GreyMetrics includes LiveReport.io, AgencyAnalytics, Reportz, JustControl.it, Vidooly, iDashboards, DashThis, Power My Analytics, Megalytic and SharpDash.