G2 Vendor Directory

Constructor vs. Fast Simon

A side-by-side comparison based on G2 review data.

MetricConstructor

by Constructor.io

Fast Simon

by Fast Simon

Overall rating4.84.4
Review count5879
Ease of use9.58.4
Ease of setup8.18.0
Quality of support9.78.5
Meets requirements9.38.6
NPS87.93103470.12987
Small Business13.0%75.9%
Mid-Market40.7%19.0%
Enterprise46.3%5.1%
Total page views1,321390
Total LLM citations9,953602

Constructor

Constructor is the only search and product discovery platform tailor-made for enterprise ecommerce where conversions matter. Constructor's AI first solutions make it easier for shoppers to discover products they want to buy and for ecommerce teams to deliver personalized experiences in real-time that drive impressive results. Optimizing specifically for ecommerce metrics like revenue, conversion rate and profit, Constructor generates consistent $10M+ lifts for some of the biggest brands in ecommerce, such as Sephora, Petco, home24, Maxeda Brands, Birkenstock and Grove Collaborative.

Pros

  • Ease of Use
  • Customer Support
  • Search Efficiency
  • Results
  • Helpful
  • Experience

Fast Simon

Fast Simon redefines ecommerce product discovery by combining AI with merchant insight to inspire shoppers. Merchandising, personalization, search, and AI assistants operate together, adapting to every shopper interaction, delivering sustained increases in conversion, AOV, and revenue. Designed from the ground up for automation & self-service, Fast Simon delivers AI search, collection filters, merchandising, personalization, similar styles, and complete-the-look to increase merchants’ conversion rate and AOV.

Pros