G2 Vendor Directory

Duolingo vs. OpenSesame

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

Duolingo

Pittsburgh, PA

OpenSesame

Decentralized Global Company

MetricDuolingoOpenSesame
Avg. rating4.54.6
Total reviews145186
Review growth (QoQ)-50.0%-80.0%
Products on G211
Categories covered15
Best category rank#2 in Language Learning#11 in Language Learning
Small Business53.2%3.3%
Mid-Market24.8%39.7%
Enterprise22.0%57.1%