G2 Vendor Directory

Start Up And Fly vs. KlientBoost

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

Start Up And Fly

San Francisco, CA

KlientBoost

Costa Mesa, California

MetricStart Up And FlyKlientBoost
Avg. rating5.04.8
Total reviews22406
Review growth (QoQ)—-37.5%
Products on G211
Categories covered16
Best category rank#26 in Lead Generation Services#1 in Digital Marketing
Small Business59.1%56.8%
Mid-Market27.3%38.3%
Enterprise13.6%4.9%