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App install ads live or die in the first three seconds. If the hook doesn't stop the scroll, the rest of the creative doesn't matter. But producing enough UGC-style videos to test hooks is expensive and slow when you rely on creators. That's where AI-generated UGC ads come in.
In this guide, I'll show you a practical workflow for creating app promo videos with proven hook formulas, using Van Gogh Studio's UGC Ad Video feature. You'll learn the exact steps, get reusable prompts, and avoid common pitfalls.
UGC (user-generated content) ads feel authentic because they mimic real people sharing their experiences. For app promos, this format builds trust and relatability. Instead of a polished brand spot, you show a "real" user demonstrating the app's value.
But hiring creators for every hook variation is impractical. AI tools let you generate multiple UGC-style videos quickly, so you can test different hooks and double down on what works.
Traditional UGC production involves scripting, hiring, filming, and editing. It's high quality but slow and expensive. AI-generated UGC, on the other hand, offers speed and scalability. You can produce dozens of variations in the time it takes to shoot one video.
While AI-generated UGC may lack the nuance of a human performance, it's perfect for testing hook formulas and iterating on messaging. For app promo, where speed is critical, AI is a strong choice.
Before you generate anything, decide which hook formula you want to test. Common formulas for app promo include:
Choose one formula for each video you generate. This keeps your testing clean.
Write a short script (15-30 seconds) that follows your chosen hook. Keep it conversational, as if a friend is speaking. For example, for a productivity app, a problem agitation script might be:
"I was drowning in tasks until I found this app. Now I plan my whole week in minutes. It's a game changer."
Go to the UGC Ad Video page on Van Gogh Studio. You'll see options to input your script and select a presenter avatar. Choose an avatar that matches your target audience (e.g., young professional, student).
Paste your script and select the aspect ratio (9:16 for stories/reels, 1:1 for feed). Then generate. The tool will create a video of the avatar speaking your script.
Once you have the base video, use the AI Video Studio to add overlays, captions, and effects. For app promo, you'll want to show the app interface. You can use the Link to Video feature to turn your app's product page URL into a video clip that you can overlay.
Trim the video to the ideal length (usually 15-30 seconds). Add background music if needed. Then export in high resolution. Van Gogh Studio's upscaler can enhance the final output.
When writing scripts for UGC ads, use these prompt templates:
Parameter tips:
Ready to create UGC ad videos for your app promo? Try Van Gogh Studio's UGC Ad Video tool for free. New accounts get 21 signup credits, no credit card required. Start testing your hooks today.
