Blog · · 7 min read

How to Make UGC Ads with AI: A Practical Workflow

TL;DR

The workflow that works in practice: script a hook, generate your AI talking head in a tool like Arcads or HeyGen, get real footage of your actual app for the product segment, then cut them together in CapCut. AI handles the face and voice; real footage handles the part AI can't fake — your product on a real screen.

AI has collapsed the cost of UGC ads: no casting calls, no creator negotiations, no week-long turnarounds. But teams that go fully synthetic keep hitting the same wall, so this guide covers the hybrid workflow that actually ships converting ads: AI for the talking head, real footage for the product.

What does a UGC ad actually consist of?

Strip any high-performing UGC ad down and you'll find the same skeleton:

  1. The hook (0-3s). A person looks into the camera and says something that stops the scroll: "I wish I'd found this app sooner."
  2. The product segment (3-20s). Hands-on proof: the app on a real screen, being scrolled, tapped, and used.
  3. The close (last 3-5s). The payoff line and the call to action.

AI is excellent at segment 1 and 3. It is unreliable at segment 2, where it warps hands and invents interfaces your app doesn't have. We covered the mechanics of that failure in why AI hands look fake in UGC ads. The workflow below assigns each segment to the tool that's actually good at it.

Step 1: Write the script around one pain point

One ad, one pain point. Write the hook as the first sentence a frustrated user would say out loud, not as marketing copy:

  • "I almost gave up on cooking until I found this."
  • "This app does my meal planning in 30 seconds."
  • "Why did nobody tell me about this?"

Keep the full script under 30 seconds when read aloud. Write three to five hook variations now; you'll want them for testing later.

Step 2: Generate the talking head with an avatar tool

Feed your script to an avatar tool like Arcads, HeyGen, or Creatify. A few practical rules:

  • Pick an avatar that matches your audience, not the most polished one. Slightly imperfect reads as more authentic.
  • Generate in 9:16 if your ad runs on TikTok, Reels, or Shorts.
  • Generate each hook variation as its own clip. Avatar minutes are cheap; testing data is not.

This gives you segments 1 and 3. Do not ask the avatar tool to show your app. That's the next step.

Step 3: Get real footage of your real app

For the product segment you need plain, honest footage: a real hand using your actual app on a real device, shot casually enough to pass as user-filmed. You have two options.

Film it yourself. Use a second phone as the camera, natural light, handheld with a bit of shake. Show real interactions: scrolling the feed, tapping through onboarding, completing the core action of your app. Avoid tripods and studio lighting; polish breaks the UGC feel.

Order it. If you don't have the device, the spare hands, or the time, UIHands shoots it for you: you send your App Store or Play Store link with a short brief describing the screens and gestures you want, and edit-ready footage of a real hand using your app lands in your dashboard within 24 hours. Packages start at $2.99 per clip.

Either way, match the aspect ratio of your final edit, and capture more footage than you think you need. Extra B-roll becomes extra ad variations for free.

Step 4: Cut it together

Any editor works; CapCut is the common choice for this format. The assembly:

  1. Open with the AI hook clip.
  2. Cut to the real app footage as soon as the script mentions the product. Let it breathe for several seconds; this is your proof.
  3. Cut back to the avatar for the close, or run the CTA as text over the footage.
  4. Add auto-captions. Most feed viewing happens muted.

The hybrid cut feels natural because real UGC ads already jump between talking heads and product demos. Nobody expects a continuous single take.

Step 5: Test hooks, not footage

When the ad is live, iterate where iteration is cheap: swap hook variations against the same product footage. The hook decides whether anyone watches; the footage decides whether they believe you. One solid set of real app B-roll typically supports many rounds of hook testing before it fatigues.

The short version

Generate the face, film the product, cut them together. You get AI's speed and cost on the segments AI is good at, and you never expose the parts it fails at. If you want the product footage handled for you, send us a brief and it's in your dashboard tomorrow.

Frequently asked questions

Can I make a full UGC ad with AI only?+

You can, but the product segment is where fully synthetic ads fall apart. Video models hallucinate app interfaces and distort hands, and viewers notice. The hybrid approach — AI talking head plus real product footage — keeps the speed of AI without the trust penalty.

Which AI tools work for the talking-head part?+

Arcads, HeyGen, and Creatify are the common picks for ad-style avatar videos. Any of them can deliver a usable hook segment; the differences are mostly pricing, avatar variety, and voice quality.

How do I get real footage of my app without filming it myself?+

Services like UIHands shoot real hands using your real app on real devices and deliver edit-ready B-roll within 24 hours, so you never have to set up a camera.

What aspect ratio should UGC ads use?+

9:16 vertical for TikTok, Reels, and Shorts. Shoot or order your B-roll in the same ratio as your final edit so you never crop into the phone screen.

Need real footage of your app?

Real hands, real devices, your real app. Edit-ready B-roll in your dashboard within 24 hours, from $2.99 per video.

Get your footage