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Subject A/B generator
In the campaign editor, a Suggest button sits next to the subject field. Click it and RelyAI generates four distinct subject-line variants, each tagged by the angle it takes.
RelyAI → Campaign editor → subject field
The angles
Each variant leans on a different psychological angle so you can compare genuinely different approaches.
| Angle | What it plays on |
|---|---|
| Curiosity | An open loop that makes readers want to know more |
| Benefit | The concrete payoff for opening |
| Urgency | A reason to act now |
| Question | A direct question that invites a click |
| Number | A specific figure or list to anchor attention |
| Personalization | A line that speaks to the recipient directly |
How to use it
- Open the campaign editor and click Suggest beside the subject field.
- Read the four angle-tagged variants.
- Click a variant to drop it straight into the subject field.
- Edit it further if you like.
Nothing changes until you save the campaign — the suggestion is a starting point, not a commitment.
Pair it with rewrite
Chosen a variant but want to nudge the tone? Select it and use the sparkle (✦) popover to make it shorter, friendlier or more formal.
Related pages
- Universal rewrite — refine a chosen subject line in place
- Coaches — the campaign coach for preheaders, send times and A/B-split math