Test your marketing on a living city before you spend a dollar. You drop in a landing page, ad, or price — a panel matched from 561 census-grounded people reacts to it in character, and you get how each segment reads it, the misfires, and the fixes. In hours, not weeks.
Paste a URL — or drop in an ad, email, name, or price. No setup, no dashboard to learn.
Filter by city, age, income, household, or language — or run the full panel.
Each responds in their own voice, grounded in their real budget, habits, and brand history.
Verbatim reactions, misfires ranked by severity, and the segment-by-segment diff.
Try the instrument. A small matched panel walks your page and flags the obvious snags.
The full panel — more personas, deeper matching, more runs.
Every other persona tool hands you an archetype — "busy mom, 35, suburban." A vibe. The same one everyone else gets.
Simulis personas are matched from 551 people grounded in real census data: real Vancouver neighborhoods, household budgets, media diets, and ties to real local institutions. Margaret bikes to the Kits library. Wendy sings in a Cantonese church choir. Reza sends money home.
So a reaction isn't a guess about "your audience." It's specific people — who live somewhere, on a budget, with a life.
"What do you think of a $25/month grocery delivery app that brings you essentials in 30 minutes?"
"$25 a month for groceries I could carry myself? In my generation we walked to Save-On. The rain stopped this week anyway."
"At $25 I'd try it once. Two roommates, late dev hours, kale wilting in the fridge. If they hit 30 minutes on Sundays I'm in."
"In Tokyo, konbini was 3 minutes away, 24/7. Here I miss that. $25/month for 30-min delivery would be the closest thing."
"With Ada at six months and 12-hour shifts at Surrey Memorial, $25 is nothing. The 30-minute window is what makes me click. Nothing else delivers that here."
Lead with the 30-minute promise above the fold — it's the line that won Connor and Tanya. Price resistance only shows up when the convenience isn't obvious.
Census-grounded across age, income, household, language, and media diet.
Vancouver, San Francisco, LA, Mexico City, NYC, London, Paris, Lagos, Mumbai, Tokyo. 25 more in build.
Real Vancouver workplaces, schools, faith groups, and clubs personas actually belong to — the social fabric, not just demographics.
From your URL to a panel of in-character reactions and a ranked friction map.
Interview-grounded agents matched 85% of people's own two-week test–retest on the General Social Survey. Park et al. 2024 · Stanford · n=1,052
A synthetic price estimate landed within ~4% of the real human benchmark — a full conjoint study reproduced for under $100. Brand, Israeli & Ngwe 2023 · HBS
76% of consumer-marketing effects reproduced across 14 Journal of Marketing papers, 19,447 AI personas. Li et al. 2024
The honest caveat, straight from the research: this is strongest on aggregate patterns and misfire detection — not predicting any single individual. That's exactly what pre-launch testing needs.
Put your next ad, price, or product idea in front of a living city — and fix the misfires before they cost you. Your first run is free.