AI marketing

A/B subject lines

Send two subject lines to part of the list, wait for the opens, and send the better one to everyone else.

  • You choose the test sizeWrite a second subject line and pick what share of the list gets the test.
  • Winner recordedWhen the test window ends, the subject with more opens goes to the rest. The campaign shows which won and by how much.

What's included

  • Test share you choose
  • Winner picked on opens
  • Results on the campaign
  • Works with send-time optimisation

Try it on the free plan

The free plan includes 5,000 emails a month and one sending domain.

No card needed to start.