Nivera simulates how real audiences scroll, stop, click and buy — so you know which creative wins, who it reaches and where your funnel leaks before you spend a single dollar on Meta, TikTok or Google.
Agencies burn 20–40% of every launch budget on creatives that never had a chance. And with Andromeda, the creative is the targeting — you only discover who it reaches after the money's gone.
Images, videos, hooks, captions, offers — up to 10 variants per test. Video is understood frame-by-frame, sound included.
Pick age, gender, interests and geo, or run Advantage+-style broad and let the swarm show you who bites.
Thousands of personas see your ad in a realistic feed, click through to your real landing page and walk your checkout.
Rankings with confidence intervals, segment heatmaps, interest lift, funnel leaks and the reasons behind every click.
Ask any persona why they scrolled past, what would make them buy, or what broke on your landing page.
Test one variable or twenty. The swarm walks the whole journey: feed → hook → click → page → checkout.




Every persona who clicks walks your real landing page, product page, cart and checkout — carrying the promise your ad made. So you rank creatives by true cost per purchase, and see exactly where the money leaks.




Lumen Glow Serum · 30 ml$38.00Highest CTR. But ad promises 30% off — the discount only appears at checkout — only 0.9% convert. True CPA $56.
2.8% of its clicks convert. True CPA $30 — 1.8× cheaper per purchase.
Meta's Andromeda matches ads to people based on the creative itself. Nivera predicts that delivery: which segments your ad will gravitate to when you go broad, and which interests over-index.
Simulation works from day one. Coming soon: connect your ad account and every real campaign recalibrates your brand's audience — so predictions converge on how Meta actually delivers and how your customers actually buy.
Personas react to your ad and funnel before launch.
Push the winners to Ads Manager as paused drafts.
Delivery breakdowns, CTR, CPA and funnel data come back.
Predicted vs. actual — by segment, placement and creative.
Your brand audience is re-weighted and new personas fill the gaps.
Calibration is in development. When it launches, we'll show predicted-vs-actual accuracy on your own campaigns — not ours.
Each persona explains what made them stop, scroll, click or bail. Then you can ask them follow-ups.
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Something felt off at checkout.”
“The hook worked on me — just not the right moment.”
“"I'm a dermatologist. Here's what I put o…" got my attention, but I'd want proof before clicking.”
“Authority hook converts skeptics others lose — yeah, that's what made me stop.”
“Saved it for later. Maybe.”
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Authority hook converts skeptics others lose — yeah, that's what made me stop.”
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Something felt off at checkout.”
“The hook worked on me — just not the right moment.”
“"I'm a dermatologist. Here's what I put o…" got my attention, but I'd want proof before clicking.”
“Authority hook converts skeptics others lose — yeah, that's what made me stop.”
“Saved it for later. Maybe.”
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Authority hook converts skeptics others lose — yeah, that's what made me stop.”
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Saved it for later. Maybe.”
“Owns the clean-beauty niche — yeah, that's what made me stop.”
“Authority hook converts skeptics others lose — yeah, that's what made me stop.”
“Highest thumb-stop of the statics — contrast pops in feed — yeah, that's what made me stop.”
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Watched it. Liked it. Not buying a vitamin c glow serum right now though.”
“Owns the clean-beauty niche — yeah, that's what made me stop.”
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Saved it for later. Maybe.”
“Saved it for later. Maybe.”
“Owns the clean-beauty niche — yeah, that's what made me stop.”
“Authority hook converts skeptics others lose — yeah, that's what made me stop.”
“Highest thumb-stop of the statics — contrast pops in feed — yeah, that's what made me stop.”
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Watched it. Liked it. Not buying a vitamin c glow serum right now though.”
“Owns the clean-beauty niche — yeah, that's what made me stop.”
“Cute, but I'd wait for a discount on a vitamin c glow serum.”
“Saved it for later. Maybe.”
Start free with a preview on your own ads. Credits unlock full tests — pick a plan or pay as you go. Cancel anytime.
See it work on your own ads before you pay anything.
For founders testing a few ads a month.
For brands launching every week.
For teams and agencies testing at volume.
For large brands and regulated teams.
Or pay as you go: $1.20 per credit ($5 minimum) — unlock just the test you need. A typical full test (3 creatives, 2,000 personas, funnel) is 13 credits, including a 4-credit deep check that's refunded if it isn't needed. You always see the exact amount before launching.
Built for agencies' unreleased campaigns and brands' customer data. Here's how we protect both.
Our personas are statistically modelled on platform audiences using census, survey and licensed aggregate data. We never collect, scrape or buy real Instagram, Facebook or TikTok user profiles.
Unreleased creatives and landing pages are encrypted in transit and at rest, isolated per workspace, and never used to train shared models unless you opt in. Delete anything, anytime.
Predictions come with confidence intervals and every persona's reasoning. Coming soon: connect your ad account to see predicted vs. actual on your own campaigns — winner hit-rate, delivery mix, CPA ranges.
When you connect your own user data, we build composite personas from groups of users — never one-to-one copies of a real person — and keep only aggregated features.
Not affiliated with, endorsed by, or using data from Meta, TikTok or Google.
No. Every persona is synthetic — generated to match the statistical make-up of each platform's audience (age, gender, location, interests, habits, buying behaviour). No real person's data or profile is used. That's also why we can show you each persona's full reasoning.
Run your next creative sprint through the swarm first. Launch only what wins.