lemlist

The cold outreach tool that helps you get replies

★★★★★ 4.6/5
FactScore™ 59.6
VS

Success.ai

Supercharge your growth with AI-powered cold emails!

★★★★★ 5.0/5
FactScore™ 101.3

Updated February 2026

lemlist Success.ai
Rating 4.6★ 5.0★
Reviews 19 105
Pros 12 14
FactScore™ 59.6 101.3

FactScore™ Comparison

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

59.6
lemlist FactScore™
👑
101.3
Success.ai FactScore™
★ Success.ai wins on FactScore™

Pros & Cons

Only in lemlist — Pros

Easy to use Sales automation Personalized email outreach Campaign creation Cross-channel sequences Automated follow-ups CRM integration Customer support Image and video embedding Proactive support AI enrichment Easy setup

Both tools — Pros

Only in Success.ai — Pros

14-day free trial User-friendly interface 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 lemlist — Cons

Configuration complexity Interface updates Credit card handling Email domain blacklisting Lead verification issues

Both tools — Cons

Only in Success.ai — Cons

Details

lemlist 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 January 24, 2018 November 5, 2023
Website lemlist.com success.ai

Who Should Pick Which?

Choose lemlist if...

  • Easy to use
  • Sales automation
  • Personalized email outreach

Choose Success.ai if...

  • 14-day free trial
  • User-friendly interface
  • Unlimited warm-up feature

With a FactScore™ of 59.6 vs 101.3, Success.ai leads in community reception. lemlist uniquely offers Easy to use and Sales automation, while Success.ai stands out for 14-day free trial and User-friendly interface.

3

What Users Say

lemlist

R
Robin Apr 29, 2024
★★★★★

I worked almost 3 years at lemlist, so I might be a bit biased, but it's by far the best cold outreach tool. A strong focus on booking more meetings, a delightful UI, and tons of content.

M
Morgane Sep 9, 2024
★★★★★

The best - and french - tool to reach out to your target audience. Smart automation, crosscanal sequences, AI enrichment... all the perks for your sales/marketing team AND sooo user friendly 🔥

S
Stephane Jun 10, 2025
★★★★★

We use Lemlist for our mail and linkedin outreach. It's just so easy to create a campaign, add leads and automate the whole sales cycle.

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, lemlist or Success.ai?

Based on FactScore™, Success.ai leads with a score of 101.3 vs 59.6. Success.ai has a higher rating of 5.0★ compared to 4.6★.

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

lemlist uniquely offers: Easy to use, Sales automation, Personalized email outreach, Campaign creation, Cross-channel sequences.

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

Success.ai uniquely offers: 14-day free trial, User-friendly interface, Unlimited warm-up feature, Extensive lead database, AI-powered email writer.

Is lemlist better rated than Success.ai?

lemlist is rated 4.6★ from 19 reviews. Success.ai is rated 5.0★ from 105 reviews.

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

FactScore™ weighs rating and review volume together. lemlist scores 59.6 and Success.ai scores 101.3.

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