Data Methodology: Adoption data is based on public tech stack disclosures, job postings, case studies, and verified enterprise reports analyzed by UsedBy.ai. Showing 35 verified enterprise adoptions. More data being indexed continuously.
UsedBy Exclusive Data
Industry Adoption Patterns
See which industries prefer each tool based on real adoption data

Zest by Industry
Zest is the go-to choice for Banking & Mortgages (100% of adopters)
Banking & Mortgages100%

Clay by Industry
Clay is popular in Marketing Tech with 25% adoption
Marketing Tech25%
Cybersecurity19%
DevTools & Infrastructure13%
Artificial Intelligence13%
Sales Tech & CRM6%
Real User Feedback
What Users Say
Testimonials from verified enterprise users

“Reporting and analysis are often a resource-intensive process. Reliability in the insights and output is also a challenge because I may have something in my mind that I want to see; however, someone o...”

Todd Peeples
SVP of Sales and Lending, All In Credit Union

No testimonials available yet
Zest vs Clay: Your Questions Answered
Zest has higher enterprise adoption with 19 companies using it, compared to 16 for Clay. This suggests stronger market validation for Zest.
While our data doesn't show companies currently using both tools together, they serve different purposes and could potentially complement each other.
Zest is particularly strong in Banking & Mortgages (100% of adopters), while Clay dominates in Marketing Tech (25%). Choose based on your industry's prevailing stack.
For startups, consider: Zest offers freemium pricing, while Clay uses freemium pricing. Both are validated by enterprise use, ensuring scalability as you grow.
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