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Spectrum predicts each prospect's response, crafts multiple variants, and auto-sends the winner—so you only send what resonates.
Simulate each prospect's reaction before you hit send, with likelihood scoring and feedback. Spectrum creates a persona for each prospect based on public data to understand their challenges, motivations, and preferred writing style.
Automatically craft and score multiple message variants, then pick the one with the highest predicted reply rate.
Used by growth folks at GitLab and Canva, our tool helps you hit those Q3 KPIs without guessing what works—or writing another stiff, robotic email.
We're helping teams like yours test cold outreach messages before sending—so you can grow faster, with less guesswork.
What if you could preview how your prospects will react before you even hit send—like a cheat code for Q3 growth?
Automatically tracks email opens, clicks, and replies; analyzes each recipient’s persona, and keeps refining the simulation engine to maximize your next response.
Live AI tests matched customer feedback with a 93% success rate in predicting which messages resonate.
We analyze twice as many cultural signals, so every subject line, hook, and frame hits the right note.
Our psychographic and behavioral dataset with 20 billion points creates one-to-one messaging at infinite scale.
Pricing is simple: how many people you want to reach each month. No per-seat or email volume fees. Built to turn outreach into meetings and pipeline.
Simulate 60 prospects/month
Simulate 300 prospects/month
Simulate 1000 prospects/month