G2 Vendor Directory

Alfa vs. ZoomInfo

Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.

Alfa

San Francisco, US

ZoomInfo

Vancouver, WA

MetricAlfaZoomInfo
Avg. rating4.84.5
Total reviews2812,989
Review growth (QoQ)—-4.8%
Products on G214
Categories covered735
Best category rank#10 in Agentic GTM Platforms#1 in Sales Intelligence
Small Business75.0%22.9%
Mid-Market25.0%52.1%
Enterprise0.0%25.0%