High-performing emails don’t need to be guesswork

Try it free. No credit card required. Instant setup.


As easy as sending a regular email campaign

Split testing your emails is as simple as sending an email campaign. How simple can it get? All you need to do is select “Split Testing” and write a second subject line.

Test your emails for free

Try it free. No credit card required. Instant setup.

What exactly can you test?

Email subject lines

Subject lines are your best chance to build curiosity and get opened. Which one will win?

Email content

Once people open, what do they want to see? Test entire emails against each other.

From information

Who should your emails come from? How should you format the from name?


Which visual makes for the most compelling email? Puppy gifs or cat gifs?

Calls to action

How can you most effectively get people to take action? Test your calls to action.


Compare up to five emails at a time

You can do A/B testing…or A/B/C/D/E testing. We’ll let you test up to five emails at once. Find the best combination of subject line, content, images, and call to action.

What if you could test entire automations?

We’ll let you test emails—but you can also test entire automated workflows. Is your funnel converting as well as it could be?
Split subject pipeline