
The offer is wrong for most readers
A two-day trial and a five-year customer get the same upgrade email.
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EVOX splits your list into groups, changes the subject and copy for each one, tests three subject lines, and sends the version that wins.

Send the same thing to your whole list and the average open rate lands near 18%.

A two-day trial and a five-year customer get the same upgrade email.
Opens and purchases are recorded, then never used to target.


There is never time to set up the split, so you guess.

You learn which subject won the day after everyone got it.
Four things EVOX handles on every campaign, with nothing to set up first.
Sorts contacts by what they opened, clicked, or bought.
Gives each group its own subject line and offer.
Tries three lines on a small part of the list first.
Finds spam words and dead links before you schedule.
Pick the group, write it once, and let the test choose the subject line.



Averages across campaigns sent from EVOX.
Higher open rates after warm-up
Return on each campaign sent
More replies that became deals
Spam complaints across all inboxes
EVOX writes for the group, not the whole list.Import your contacts, send from your own domain, and keep your CRM up to date.
We have answers.
Enough for the way most teams work. The versions sit inside one campaign rather than as separate sends, so four groups means one campaign to build, schedule, and report on, not four. You write the parts that differ, and EVOX handles which person gets which version.

Choose a flexible plan built to match your business needs, simplify daily operations, and support long-term growth.