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App Install Banner (3D Gradient Phone Mockup)
The tilted phone mockup plus left-side negative space is the classic install-ad layout that survives every text overlay — you get an on-spec 1.91:1 banner without ever opening a design tool.
Works withGPT ImageGemini Image (Nano Banana)
prompt
Create a horizontal app-install banner for {app_name}, a {app_category} app. Composition: a floating smartphone mockup in the right third, tilted 15 degrees with a soft drop shadow, its screen showing a clean abstract UI in {brand_color} tones — simple blocks and cards, no readable text. Fill the left two-thirds with a smooth {brand_color}-to-dark gradient, with subtle 3D geometric shapes and light streaks pushed toward the edges to suggest speed and ease. Float one small star-rating badge beside the phone. Modern SaaS aesthetic, crisp edges, gentle depth-of-field glow. Render in 1200x628 landscape (1.91:1) for social link ads, keeping the left half visually clear for a headline, subline and download button that will highlight {key_benefit}.Variables
| Variable | Description | Example |
|---|---|---|
| {app_name} | Name of the app | OrderGo 點餐通 |
| {app_category} | Category of the app | restaurant table-booking |
| {brand_color} | Primary brand color | teal |
| {key_benefit} | Key benefit the overlay copy will highlight | book a table in 10 seconds |
Use case
An indie app developer or SaaS marketer preparing install-campaign banners for social link ads on a tight timeline.
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