G2 Vendor Directory

Selling.com vs. Apollo.io

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

Selling.com

Newton, US

Apollo.io

San Francisco, CA

MetricSelling.comApollo.io
Avg. rating4.64.7
Total reviews1519,851
Review growth (QoQ)-100.0%+7.0%
Products on G211
Categories covered927
Best category rank#43 in Buyer Intent Data Providers#2 in Lead Capture
Small Business31.5%66.9%
Mid-Market49.0%28.4%
Enterprise19.5%4.7%