Street Interview Ads vs Creator UGC: Which Wins on CPA?

Both street interview ads and creator UGC live under the same "UGC ads" umbrella on Meta and TikTok, but they behave very differently on cold traffic. The clearest way to compare them is not with generic benchmarks but with what has actually happened inside real ad accounts.

TL;DR

Creator UGC = one person, filming themselves at home, reading a loose script. Cheap, fast, familiar.

Street interview UGC = real strangers reacting on camera in high-footfall locations. Harder to produce, stronger social proof.

In practice, Meta's own delivery system has repeatedly pushed disproportionate spend toward street interview ads inside mixed creative sets, without anyone choosing that allocation.

The right stack for most DTC brands is street interview UGC for top-of-funnel and creator UGC for mid-funnel and retargeting.

What each format actually is

Creator UGC is the format most DTC brands already run. A single creator films selfie-style, usually at home, holding the product and talking to camera. The script is loose but the beats are planned: hook, product reveal, benefit, CTA. Production cost per video is low, turnaround is fast, and the creative pool is enormous.

Street interview UGC stops real members of the public in busy locations, high street, transport hubs, city squares, and captures genuine reactions to a product, category, or question. There is no script for the interviewee, and the person on camera is not paid to endorse anything. The output is dozens of short reaction moments per shoot day that can be cut into an entire month of ad variants. Some agencies run this specifically as man on the street ads, which is another name for the same format.

Three real accounts, not benchmarks

Rather than quote industry averages, here is what happened when street interview ads ran alongside other creative inside real Meta ad accounts. Full detail, including screenshots, is on our the client ad accounts.

Real Mad Honey: Meta allocated a third of the account to one format on its own

Over the last 365 days, the Real Mad Honey account spent €863,979.71 and generated €2,306,295.04 in revenue at a 2.67 blended ROAS, reported in Motion on 7-day attribution and published with permission from Martijn.

Five street interview ads from that account (RMH603, RMH103, RMH291, RMH604 and RMH032M) together took about €289,525 of that spend, roughly a third of the whole account, and returned a 2.73 blended ROAS. RMH603 alone has been live since April and is still running. For comparison, the client's other video creative in the same account was capped much lower by Meta's own delivery, between €225 and €372 each.

Nobody set that split. Meta's delivery system routed the budget there on its own. In Martijn's words:

"Meta decides where spend goes. If it pushes spend only to the street interview, we have to raise the budget until the rest of the ads get spend at all."

"It's still running and used as a top of funnel ad. The purchases done by other ads and Google as bottom of funnel aren't measured, so the impact of this is actually much higher."

DOT Trading: one shoot day, one Birmingham crew, €0.44 per link click on the best ad

A single day shoot in Birmingham produced ads that, across the set, generated 15,071 reported purchase events and a €1.41 blended cost per event in Meta Ads Manager. The best-performing ad from that day, "UK - Interview - Nieuwe guy", returned 3,973 purchases at €0.86 each and a €0.44 cost per link click. The client ran it behind €600 to €610 a day in spend alongside other Stradvert ads from the same shoot.

Pulse of Potential: twelve ads in an hour, five survived, five carried the account

Filmed in one hour in Manchester and published with permission from Maria, twelve ads came out of that single session. Seven were switched off early. The five that survived carried €53,112.46 of spend at a 2.84 ROAS and produced about $164,000 in revenue in the first 30 days.

Why street interview UGC performs the way it does

1. Authenticity signal. Viewers on TikTok and Reels are highly calibrated to detect a paid creator read. A stranger being stopped mid-commute, reacting live, does not read as advertising in the first few seconds.

2. Social proof without a script. When someone the viewer does not recognise reacts honestly to a product without any brand context, it carries more weight than the same line from a creator whose profile is full of sponsored content.

3. Variant density. A single street interview shoot can produce dozens of hooks, faces and locations from one day, which means faster iteration on what actually holds attention.

Where creator UGC still wins

Street interview UGC is not the answer to every ad slot. Creator UGC is stronger for:

Mid-funnel and retargeting. Viewers who already know the brand respond well to a familiar creator format. Save street interview inventory for prospecting.
Feature explainers and demos. If the product needs a longer walkthrough (SaaS, complex apps, multi-step routines), a creator with a script beats a stranger with a short reaction.
Fast iteration on offers. New promo code, new price point, new bundle: a creator can shoot a fresh variant quickly. A new street shoot takes longer to schedule and produce.
Categories where street filming is hard. High-ticket, regulated, or sensitive products where showing the item to strangers on camera creates legal or brand risk.

Most brands scaling on Meta and TikTok end up running both: street interview creative pushing new prospecting audiences, creator UGC handling warm and remarketing tiers.

Cost per usable variant

The raw production numbers understate the gap. A creator UGC shoot typically delivers a single video per creator per session. A street interview shoot day, done properly, produces many more ad-ready variants from the same budget, each one drawn from a real, unscripted reaction.

When to choose which

Use this as a rough decision rule for your next creative cycle:

Cold prospecting on Meta or TikTok, mass-market DTC product → street interview ads UK.
Cost per ad variant is your bottleneck → street interview UGC.
You've plateaued on creator UGC and need a new authenticity signal → street interview UGC.
Mid-funnel, retargeting, or feature explainers → creator UGC.
You need a variant live quickly for a promo → creator UGC.
High-consideration or regulated category → creator UGC or scripted studio, not street.

The pragmatic stack

For DTC brands scaling on Meta and TikTok, the stack worth testing looks like this:

Street interview UGC on cold prospecting, the majority of prospecting budget.
Creator UGC on warm audiences and retargeting.
A small slice of polished studio for brand consistency.

Street interview ads are not a replacement for creator UGC. They're the top-of-funnel authenticity layer that classic UGC stopped providing once every DTC brand started using it.

Questions people ask

What is the difference between street interview ads and creator UGC?

Street interview ads are filmed by a crew who stop real strangers in a public place and ask them an unscripted question, and everyone on camera signs a release. Creator UGC is filmed by one creator, usually at home, from a brief the brand supplies.

Which format should carry cold prospecting?

In the accounts published on our proof page, street interview ads carried the cold prospecting load and Meta's own delivery system kept pushing spend toward them inside mixed creative sets. Creator UGC did more of its work on warm audiences and retargeting.

Do I have to choose one format?

No. The stack that works runs both: street interview ads as the top of funnel authenticity layer, creator UGC on warm audiences, and a small slice of polished studio work for brand consistency.

Want the format tested against your account?

If you want to see what street interview UGC would do to your Meta or TikTok account, book a strategy call and see the full numbers on the proof page.

See it in the ad account

The numbers behind this are published, unedited, at stradvert.org/proof.