zootools is the #1 Email Marketing Tool that turns emails into revenuezootools is the #1 Email Marketing Tool that turns emails into revenue

Know Your Winning Email Before You Send

Use AI to test your emails with hundreds of thousands of simulated users, predicting key performance metrics like opens and clicks. Choose the best-performing variant before sending to maximize your campaign's success.

Integrates with:

Mailchimp logo
Mailchimp
HubSpot logo
HubSpot
SendGrid logo
SendGrid
Constant Contact logo
Constant Contact
Campaign Monitor logo
Campaign Monitor
ActiveCampaign logo
ActiveCampaign
Klaviyo logo
Klaviyo

EmailTester is your unfair advantage

Without EmailTester

Legacy email testing methods

MANUAL A/B TESTING ONLY
LIMITED TEST AUDIENCE
GUESSWORK ON WHAT WORKS
NO PREDICTIVE ANALYTICS
HIGH RISK OF DELIVERABILITY ISSUES

with EmailTester

AI-powered testing platform

AI SIMULATES THOUSANDS OF USERS
PREDICTIVE OPEN & CLICK RATES
AUTOMATED SUBJECT LINE TESTING
DELIVERABILITY PROTECTION
AI CONTENT OPTIMIZATION

Email Testing for Every Team

For Sales Teams

Boost your sales outreach with AI-powered email testing that ensures your messages resonate with prospects and drive conversions.

  • Increase email response rates by up to 40%
  • Test different pitches before sending
  • Optimize follow-up sequences for better results

For Marketers

Maximize the impact of your email campaigns with advanced testing that delivers higher open rates and improved conversions.

  • Test subject lines with AI audience simulation
  • Improve deliverability and avoid spam filters
  • Optimize email content for different segments

For Startup Founders

Get the most out of your limited resources by ensuring every email you send is optimized for maximum impact and ROI.

  • Test investor pitches and customer outreach
  • Validate messaging before full-scale campaigns
  • Do more with less by focusing on what works

10x your email testing success today

Join thousands of businesses using AI to test their emails against simulated clients and achieve higher open rates, better engagement, and increased conversions.

Get started now

Made with ❤️ by ZooTools