Built because I was tired of shipping blind.
CrowdTest is a wind tunnel for marketing copy. One person built it after one too many launch emails hit 2.1% open rate. Here's the full story and why we show our work.
The $4K focus group that changed nothing.
In 2024, I ran a focus group for a B2B SaaS launch. $4,000. Two weeks of calendars. Ten people who didn't match our ICP. Their feedback was vibes and politeness.
Two days later the launch email went out. 18% open rate. The headline tested ‘fine’ in the focus group. It died in the inbox. I realized: the cost of testing copy before shipping it was too high for anyone who wasn't enterprise. Everyone else was guessing.
CrowdTest started as a side project that weekend. Six months in public, dozens of calibration runs later, it's a wind tunnel for copy. Paste it, score it, rewrite it — before the inbox reads it.
Four things we believe.
Every prediction, published.
Every prediction we make gets published on /accuracy. Miss or match. No hiding the losses.
A pretest, not a prophecy.
We're a pretest tool, not a prophecy tool. The best use of CrowdTest is catching the three things you'd fix anyway — before the ad runs.
Write like we'd say it.
We don't write like marketers. We write like the person who has to explain the bill at the end of the quarter.
Cheap enough to actually use.
Free tier is real. Pro is $29. Nobody should lose a campaign because they couldn't afford to pretest it.
Who CrowdTest is for. And who it isn't.
For
- →Solo founders pre-testing launch copy
- →Growth marketers defending headlines to execs
- →DTC brands running one-person Meta campaigns
- →Agencies who need audience-calibrated copy review
- →Indie makers who don't have a team to review copy
Not for
- —Teams that already have 10k-person panels
- —Enterprise comms with regulatory review requirements
- —Copy-by-committee cultures ("we need 5 VPs to sign off")
- —Anyone expecting a prediction to replace a live test at scale
Built in public. Shipped weekly.
Email the person who built it.
No contact form. No ticketing queue. If you email, I'll read it.