Reactor
Two copy variants. One cloned audience. A live verdict before you publish.
You only know if copy works after it's already live.
By the time likes and comments tell you something, the weaker version has already gone out.
You lose the first impression with the very people you wanted to reach. And you still don't know why one phrasing moved them and the other didn't.
People who ship words to a real audience.
Growth marketers. Founders writing their own LinkedIn. Content teams choosing between two headlines.
If you have a defined audience and the cost of guessing wrong is visible, Reactor fits before the publish button.
No signup. Paste two versions. The graph starts lighting up — you see value before any form.
Two variants, one audience, one honest answer.
Pick the audience. Use a preset or generate clones that match the segment you care about.
Paste A and B. Same frame, side by side. Parallel test, not sequential.
Watch it react. The graph lights up clone by clone. You see who moves, not just a final score.
Read the verdict. If the gap is inside the noise floor, it says so. No fake certainty.
Pick a preset or generate 24–26 clones. Built with safeguards, not free-form roleplay.
Not sequential. Same clones see A and B, so the difference is the copy.
Refuses to crown a winner inside variance. Shows who switched.
Why it was built this way.
- Streaming visualization — the graph renders progressively. You trust it because you watch it happen.
- Honest statistics — withholds the call when the margin is noise. Fewer false wins.
- Clones with guardrails — persona generation that stays useful, not theatrical.