Subjects in study invites

Your subject has a massive impact on conversion and open rates. Make sure to have subjects included in Pool › Email › Templates, and try using study personalization in the subject or even an emoji to boost open rates. When you select a template in your study invite, it will use that subject.

📝 Study invites use template subjects; if that's blank, we use the last sent subject

Make sure all your pool email templates have subjects, and you'll always see those. If any of those are blank, we'll show you the last subject used across the whole account for either a Pool distribution or study invite.

Past subject performance

You can quickly look at previously sent study invite subjects and their percentage for engagement to help learn over time what subjects perform the best. If you open up any of those sent study invites or Pool email distributions, you can see the details on how many opens or clicks there were. Multiple opens from a single recipient can cause the numbers to be a bit confusing, so please keep that in mind.

How the data works

Opened is the number of opens divided by the number of delivered emails in any given distribution.

General Subject Tips

  • Keep it short - no more than 9 words and 60 characters.
  • User Study Personalization - things like incentive amount or even location
  • Avoid spam filter language like "free" or "win"
  • Use one perfect emoji - it can be hard to pick, but it can also help grab attention as long as it's used in moderation
  • No more than 3 punctuation marks per subject line.


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