Win more of what you test

See why winning ads work. Then rebuild them for your brands.

briefOS tears any ad down to the structure underneath it, the hook, the angle, the proof, the mechanism, so every test you run is built on what already wins instead of a guess. Built for the strategists and teams whose results pay the bills.

Your first teardown takes about a minute.

For freelance strategists, agencies, and in-house teams running paid social for DTC and ecommerce.

clear-skin-serum.jpg Analyzing
Ad being analyzed by briefOS
Hook
"Acne marks holding you back?"
Pain-point question, stops the scroll
Angle
Problem → solution
Ties the fix to confidence, not features
Proof
Before / after, one face
Visual evidence beats any claim
Offer / CTA
"Shop now" + reassurance
Kills the irritation objection first
Hook Angle Proof Offer 4 layers found
Deep structural analysis of video and image ads
Every ad broken into the parts that actually drive performance, not a surface summary.
Pulls ads straight from any Meta ad account
Connect an account and analyze the live creatives running inside it.
Competitor spy and performance analysis
Track the competitors that matter and see what is working in your market.
Data-informed, high-intent creative briefs
Turn the analysis into a brief built on evidence, ready for your editor.
01 / The teardown
One ad. Fully decoded.

This is what one teardown gives you.

Here is a real teardown of a DTC sneaker ad. Watch the engine walk it apart, block by block, the same way it will read the ad you paste in.

DTC sneaker ad being analyzed by briefOS
Hook
Angle
Novelty
Offer / CTA
Teardown

Structural breakdown

Athletic sneaker — static ad
  • 01Hook
    "Step up. Stand out." An aspirational command in high-contrast lime on black, built to grab the eye first.
  • 02Angle
    Aspiration plus urgency. Self-improvement framing, then each feature is paired to a benefit: lightweight to all-day comfort.
  • 03Novelty
    A "New Arrival" badge signals freshness and urgency, giving a reason to look now rather than scroll past.
  • 04Offer / CTA
    "20% off, limited time" creates scarcity, then a single high-contrast "Shop now" button drives the click.
02 / The engine
One engine, everything you need

Find what is working. Understand it. Turn it into your next winner.

01

Decode competitors.

Pull any competitor's ads and tear them down, so you can take what is working in your market and rebuild it with the structure intact, not just the surface.

02

Decode your own winners.

Connect Meta, point briefOS at your best performers, and get the structural reason they won, so the next one is on purpose, not luck.

03

Brief it in one step.

Turn the analysis into an editor-ready brief, visual notes and script notes, ready to hand to your editor or creator.

ANALYZE UNDERSTAND BRIEF   One analysis engine. Whether the ad is your competitor's or your own, it reads the structure the same way.

Stop guessing. Start seeing.

Find out exactly why their best ad works, then build yours on the same structure.

Analyze your own ad
03 / Script teardown
Transcript in, structure out

Most people see a nice ad. briefOS sees why it converts.

Here is a real video ad. The raw transcript is on the left. On the right, briefOS groups it into structural blocks and reads both the script and the visuals behind each beat.

Transcript — Glow Renewal serum
briefOS structural breakdown
0:00

"POV: You're 34 and breaking out worse than you did at 16."

Hook

Pattern interrupt. A "POV" callout naming the exact viewer to stop the scroll, shot like their own mirror.

0:03

"You've tried the $80 cream. The 12-step routine. And your jaw is still a war zone every month."

Problem agitation

Stacks the failed fixes to prove nothing has worked, raising the stakes before the turn.

0:08

"Adult acne isn't a teenager problem with teenager solutions. It's hormonal. So we built Glow Renewal around it."

Mechanism

Reframes the cause as hormonal, then positions the product as built for exactly that.

0:13

"Niacinamide to calm the flare. Azelaic acid to clear the texture. Zinc to regulate the oil. No purging hell."

Proof

One ingredient, one job, with the "purging" objection killed up front. Backed by a before/after.

0:20

"Over 40,000 women stopped hiding behind their hands. One review: I forgot what it felt like to not think about my skin."

Social proof

A number plus one emotional quote that sells the feeling, over UGC and real review screenshots.

0:26

"Try it risk-free for 30 days. If your skin doesn't change, you don't pay. Tap below for 20% off. While stock lasts."

Offer + CTA

Risk reversal first, then a single ask with urgency over a product hero shot.

04 / For teams
For agencies and multi-brand teams

One workspace per client.

Each client gets its own space: their ad account, their competitors, every teardown and brief in one place, so your best findings compound instead of resetting to zero.

05 / Start
Stop guessing why ads work

Your competitors are already winning. Find out exactly how.

Paste any ad and get the full structural teardown plus an editor-ready brief in about a minute. Run it on a competitor's winner or your own best performer.

Running a team or agency? info@briefos.ai

06 / Questions
The real questions

What you are actually wondering.

01Is this just ChatGPT?

No. briefOS is not a chatbot and not a brief writer you prompt. It is an analysis engine built to find the source of an ad's performance: it breaks the script into its blocks, reads the visuals, and shows how they work together. The brief is the last step, built from that analysis.

02Is there really a permanent low-cost plan?

Yes. The entry plan is a real plan with monthly limits, not a discounted first month that jumps later. Stay on it as long as it fits.

03Do I have to connect my ad account?

No. You can tear down competitor ads without connecting anything. Connecting Meta is optional, for decoding your own winners.

04What kinds of ads can it tear down?

Video and static, including UGC. If you can put the ad in front of it, it reads the structure the same way.

05What do I actually get?

A full structural teardown of any ad, the script blocks, the visuals, and how they combine, plus an editor-ready brief built from it.

Stop studying ads the slow way

Your next winner is hiding in an ad you have already seen.

Paste it in and briefOS shows you the structure underneath, then turns it into a brief you can build from. Your first teardown takes about a minute.