G2 Vendor Directory

Black Owl Systems vs. CoStar Real Estate Manager

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

MetricBlack Owl SystemsCoStar Real Estate Manager
Avg. rating4.94.4
Total reviews27371
Review growth (QoQ)+0.0%-97.2%
Products on G211
Categories covered22
Best category rank#8 in Lease Accounting#2 in Lease Accounting
Small Business15.8%12.9%
Mid-Market57.9%27.9%
Enterprise26.3%59.2%