GreyMetrics is described as 'Marketing Reports & Dashboards Software for Digital Agencies'. There are three alternatives to GreyMetrics for Online / Web-based. The best alternative is Whatagraph. Other great apps like GreyMetrics are Agency Analytics (Paid) and Reportgarden (Paid).
Whatagraph automates analytics reporting process by collecting data from marketing channels and presenting it as visual infographic reports. Reports are automatically generated and delivered to selected e-mail addresses.
An Enterprise Ad Agency Reporting & Dashboard software that helps save time while improving agency-client communication! ReportGarden offers Dashboards, Project Management Tool, Analytics, SEO, Budget Tracking and Invoices along with Client Reports.