How to Make a UGC Ad with AI in 5 Minutes

UGC-style ads outperform polished brand spots on almost every social platform — they feel like a recommendation, not a commercial. The catch has always been production: finding creators, briefing them, waiting a week, hoping the take lands. Here’s how to compress that into five minutes.

Step 1 — Describe the ad (30 seconds)

Open BoomCast, choose Promote, and type what you’re selling and the angle you want:

“A skincare serum for tired skin. A relatable creator shows their before/after morning routine, casual bathroom setting, ends with ‘okay but why did nobody tell me about this.’”

That’s a complete brief. The AI director reads product, format, tone and hook from plain language — you don’t need to know what a “hook” is, but if you do, it listens.

Step 2 — Pick the ad style (20 seconds)

BoomCast’s Promote path offers four proven UGC formats:

• Talking head — creator speaks straight to camera. The workhorse.
• Testimonial — review energy, great for social proof.
• Unboxing — anticipation + reveal, perfect for physical products.
• Faceless — hands and product only, ideal if you want zero persona risk.

Pick one; the storyboard adapts around it.

Step 3 — Approve the storyboard (2 minutes)

Before anything is charged, BoomCast shows you the storyboard: every scene, every spoken line, shot types and camera moves. This is your creative-director moment — tap any scene to rewrite the line, change the shot from close-up to product shot, or tighten the pacing.

The golden rule of UGC: the first two seconds are the whole ad. If your opening line doesn’t create a question in the viewer’s head, rewrite it before rendering.

Step 4 — Render and post (2 minutes)

Hit render. A 15-second 720p ad costs 240 credits, and you get a notification the moment it’s done. Export it straight to your camera roll — it’s yours to run on TikTok, Reels, Shorts or paid placements (Creator and Pro plans include commercial rights).

Three prompts that work

Steal these and adapt:

1. “A phone stand for desks. Creator is skeptical at first, then genuinely surprised how sturdy it is. Ends: ‘my neck has been fixed for eleven dollars.’”
2. “A meal-prep app. Faceless hands unbox groceries and cook one bowl in fast cuts. Text overlay does the talking. Energetic, no voiceover.”
3. “A handmade candle shop. Warm testimonial from a repeat customer, cozy living room, soft evening light. Ends with the shop name hand-written on the label.”

The pattern: product + persona + arc + last line. Give the AI those four things and the first render is usually the keeper.