To use it you have to install its ‘Chrome extension’ or ‘Firefox add-on’
Limited results with free version (Freemium)
No sign up and credit card required for free version
Price Range : $10- $1000
API key available
Features available in free version are keyword widget, trend chart, YouTube metrics, traffic metrics, Moz link metrics, on-page analysis, and competitor gap analysis.
Paid version provides you with an accurate and broader report.