YouTube creators
Pick the thumbnail and title that gets the click before your video goes live, and see how it looks at phone size.
See which thumbnail wins before you post it.
Upload your thumbnails, ads or product photos. A mob of up to 10,000 AI personas scrolls past them, and you see who clicks, who skips, and why.
Who it's for
Amazon sellers
Test main images, titles and prices side by side, the way shoppers see a search results page.
Advertisers
Find the creative that stops the scroll for your exact audience before you pay for impressions.
TikTok and Reels
Check whether your first seconds hold attention, or whether people swipe away.
How it works
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Upload 2 to 4 versions
Add your thumbnails, ad images, product photos or short clips, with the title or price people will see next to them.
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The mob scrolls past
AI personas with their own age, country, interests and mood see your content in a realistic feed. Some click, most scroll on.
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See the winner and why
Get the click rate for each version, how sure the result is, which audiences prefer which, and specific fixes. Then let AI make better versions and test them too.
Not just a score
Every persona says what they thought. You see the reasons behind the numbers, grouped so patterns jump out.
- Sara, 31, Brazil That face got me. Did it actually work?
- Rahul, 19, India The yellow one pops on my phone right away.
- Lena, 38, Germany Too much text. I can't read it this small.
- Omar, 24, Egypt Clean, but it doesn't give me a reason to click.
Questions
Are the people real?
No. ScrollMob uses AI personas, each with its own age, country, interests, mood and personality. They react to your content the way that kind of person would, so you get a fast first read before you spend money or post.
What can I test?
YouTube thumbnails with titles, TikTok, Reels and Shorts covers or short clips, social media ads with headlines, and Amazon or other e-commerce main images with title and price.
How accurate is it?
It is best at ranking options against each other: which of your versions is likely to win, and why. It is a prediction, so your real results still depend on your channel, audience and timing.
Is it free?
New accounts get free tests to start, plus a free test every day. Bigger tests and AI-improved versions use credits.