G2 Vendor Directory

nTop vs. Altium

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

nTop

New York, New York

Altium

La Jolla, CA

MetricnTopAltium
Avg. rating4.84.5
Total reviews111,296
Review growth (QoQ)—+134.6%
Products on G214
Categories covered37
Best category rank#17 in Mechanical Computer-aided Design (MCAD)#1 in PCB Design
Small Business60.0%61.1%
Mid-Market30.0%27.7%
Enterprise10.0%11.2%