Clay

AI Personalized Outbound at Scale

★★★★★ 4.9/5
FactScore™ 77.7
VS

Success.ai

Supercharge your growth with AI-powered cold emails!

★★★★★ 5.0/5
FactScore™ 101.3

Updated February 2026

Clay Success.ai
Rating 4.9★ 5.0★
Reviews 39 105
Pros 17 14
FactScore™ 77.7 101.3

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

77.7
Clay FactScore™
👑
101.3
Success.ai FactScore™
★ Success.ai wins on FactScore™

Pros & Cons

Only in Clay — Pros

Prospecting Data enrichment Time-saving Lead generation AI-powered features Automation Sales productivity Support team Multiple data sources Scalability CRM integration Community engagement Free tier Customization Personalization Strong education support

Both tools — Pros

User-friendly interface

Only in Success.ai — Pros

14-day free trial Unlimited warm-up feature Extensive lead database AI-powered email writer Excellent customer support Unlimited email accounts No credit card required for trial Cost-effective Advanced analytics Seamless CRM integration AI-driven analytics Campaign scheduling Cross-device tracking

Only in Clay — Cons

Learning curve Complex setup Glitchy performance

Both tools — Cons

Only in Success.ai — Cons

Details

Clay Success.ai
Categories Email marketing, Marketing automation platforms, Lead generation software, Sales enablement, AI sales tools Email marketing, Lead generation software
Platforms Web Web
Became Popular February 8, 2022 November 5, 2023
Website www.clay.com success.ai

Who Should Pick Which?

Choose Clay if...

  • Prospecting
  • Data enrichment
  • Time-saving

Choose Success.ai if...

  • 14-day free trial
  • Unlimited warm-up feature
  • Extensive lead database

With a FactScore™ of 77.7 vs 101.3, Success.ai leads in community reception. Clay uniquely offers Prospecting and Data enrichment, while Success.ai stands out for 14-day free trial and Unlimited warm-up feature.

3

What Users Say

Clay

V
Vaibhav Aug 15, 2023
★★★★★

The best damn lead gen product in the market. We exclusively recommend Clay at Smartlead! Simple reason...nothing beats the product. Best feeling running a query and then seeing all the data popula...

S
Stain Mar 26, 2024
★★★★★

man that's sick, meeting all my needs and expectations for such a tool if not exceeding that. It is stable, super powerful and easy to learn because of the design being user-centric. What drives th...

R
Ruud Aug 15, 2023
★★★★★

This product made my prospecting so much easier and actually kinda fun. I don't remember how many people I have already recommended this. Can't wait for the affiliate program to be set up haha! Awe...

Success.ai

A
Andrew Nov 6, 2023
★★★★★

Success.ai has streamlined our outreach strategy, providing us with the means to connect with professionals efficiently. Its user-friendly approach and the support available round the clock have re...

A
Amber Nov 6, 2023
★★★★★

Success.ai is an essential part of our marketing strategy, with its AI-powered features, extensive lead database, and user-friendly approach. It's been a game-changer, helping us consistently conne...

A
Andrew Nov 6, 2023
★★★★★

We've experienced remarkable results with Success.ai, making it an essential tool in our marketing arsenal. The platform's focus on meaningful connections and user support adds even more value to o...

Frequently Asked Questions

Which is better, Clay or Success.ai?

Based on FactScore™, Success.ai leads with a score of 101.3 vs 77.7. Success.ai has a higher rating of 5.0★ compared to 4.9★.

What are the pros of Clay compared to Success.ai?

Clay uniquely offers: Prospecting, Data enrichment, Time-saving, Lead generation, AI-powered features.

What are the pros of Success.ai compared to Clay?

Success.ai uniquely offers: 14-day free trial, Unlimited warm-up feature, Extensive lead database, AI-powered email writer, Excellent customer support.

Is Clay better rated than Success.ai?

Clay is rated 4.9★ from 39 reviews. Success.ai is rated 5.0★ from 105 reviews.

What is the FactScore™ of Clay and Success.ai?

FactScore™ weighs rating and review volume together. Clay scores 77.7 and Success.ai scores 101.3.

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