G2 Vendor Directory

Opera vs. Mozilla

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

Opera

Oslo, Norway

Mozilla

San Francisco, CA

MetricOperaMozilla
Avg. rating4.24.4
Total reviews2301,008
Review growth (QoQ)-66.7%-90.0%
Products on G2211
Categories covered59
Best category rank#10 in Browser#3 in VR Collaboration
Small Business61.5%51.5%
Mid-Market22.1%29.1%
Enterprise16.4%19.3%