There's a distinction that most AI mobile design guides skip entirely — and it causes a lot of frustration for first-time users.
A layout and a screen are not the same thing.
A layout is the structural skeleton — where things sit on screen relative to each other. Top image, cards below, bottom navigation. Left sidebar, right content area. Grid of equal boxes. That's layout.
A screen is the full visual design on top of that skeleton — the colors, fonts, icons, images, and content that bring it to life.
When you generate a mobile app screen with AI, the AI makes both decisions simultaneously. But if you don't specify the layout you want, the AI picks one for you — and it might pick wrong.
This guide teaches you the six core mobile layout types, how to specify each one in a prompt, and how to generate layouts automatically with AI in a way that gives you structural control — not just hope that the AI guesses right.
The 6 Mobile Layout Types
Every mobile app screen uses one of six fundamental layout patterns. Once you recognize them, you'll see them everywhere — and you'll know exactly how to ask for them in a prompt.
Layout 1: Hero + List
What it looks like: A large featured item at the top (the "hero") — usually a card, image, or CTA — with a scrollable list of items below it.
Where you'll see it: App home screens, content discovery screens, news feeds with a featured story.
Why it works: The hero draws the user in with the most important content. The list below lets them browse without the hero dominating the full screen.
How to specify it in a prompt:
"Layout: large hero card taking the top 40% of the screen, followed by a scrollable vertical list of smaller cards below."
Layout 2: Grid
What it looks like: Equal-size cards arranged in rows — typically 2 or 3 columns.
Where you'll see it: Marketplaces, photo galleries, product catalogs, app icon screens.
Why it works: A grid lets users scan many options quickly in a compact space. Equal sizes signal equal importance — no item is ranked above another visually.
How to specify it in a prompt:
"Layout: 2-column card grid starting below the search bar. Each card equal height with image on top, text below."
Layout 3: Feed
What it looks like: A continuous vertical scroll with cards of variable height. No set number per row — content expands as needed.
Where you'll see it: Social media apps, activity streams, review feeds, community apps.
Why it works: Feeds adapt to content length. A short post and a long post coexist naturally. Users develop a scroll habit that keeps them engaged.
How to specify it in a prompt:
"Layout: infinite vertical feed. Each post card has a user avatar and name at the top, content text below, and reaction + share icons at the bottom. Variable card heights — cards expand to fit content length."
Layout 4: Dashboard
What it looks like: A collection of data widgets and summary cards arranged in sections. Mix of sizes — some full-width, some half-width. Numbers, charts, progress bars.
Where you'll see it: Finance apps, fitness trackers, analytics tools, productivity apps.
Why it works: Dashboards give power users a fast overview of their current status without navigating into separate screens.
How to specify it in a prompt:
"Layout: dashboard with a full-width stat bar at top showing 3 key metrics side-by-side. Below, a full-width chart card. Below that, two half-width summary cards side by side. Below that, a vertical list of recent activity items."
Layout 5: Detail
What it looks like: A large header image at the top (50–60% of the screen), followed by structured content sections that scroll below: title, key details, description, and a CTA button pinned at the bottom.
Where you'll see it: Product detail pages, recipe screens, event pages, song or podcast detail screens.
Why it works: The large header image delivers immediate context and emotional connection. The structured sections below give the user everything they need to decide whether to act.
How to specify it in a prompt:
"Layout: detail screen with large hero image taking the top 50% of screen. Below the image: item title in large bold text, subtitle in smaller text, a row of key stat chips, a 'Description' section with expandable text, a reviews section. Sticky bottom bar with a primary CTA button."
Layout 6: Form
What it looks like: A sequential vertical stack of labeled input fields — text fields, dropdowns, toggles, selectors — with a submit button at the bottom.
Where you'll see it: Sign-up screens, checkout flows, settings pages, onboarding surveys.
Why it works: Forms are one of the highest-friction parts of any app. A clean, spacious form layout reduces that friction by making each step feel manageable and clear.
How to specify it in a prompt:
"Layout: clean single-column form. Each field has a label above the input, generous spacing between fields (24px). Show fields for: Name, Email, Password, and Confirm Password. A 'Create Account' primary button pinned at the bottom. A 'Sign in instead' text link below the button."
How to Use Spatial Language in Your Prompts
The biggest layout mistake in AI prompts is using vague descriptors when you need spatial instructions.
Vague (lets AI decide structure):
"A music discovery home screen with featured songs and recent plays."
Spatial (tells AI exactly where things go):
"A music discovery home screen. Top: search bar. Below search: a horizontal scroll row of featured song cards (hero+list pattern). Below featured: a section heading 'Recently Played' with a 2-column grid of album cards. Bottom: persistent player bar showing now-playing song with play/pause controls. Navigation: bottom tabs — Discover, Search, Library, Profile."
The spatial version uses positional words: top, below, above, left, right, side-by-side, pinned, sticky, persistent. These words tell the AI where to place each element — not just that the element should exist.
Prompts with concrete layout descriptions reduce iteration cycles by 40–60%. The more structural detail you give, the less the AI has to guess.
Generating Layouts for "Audibly" — A Music Discovery App
I'll walk through generating four different layout types for Audibly — a music discovery app that surfaces new artists based on listening habits. Each screen uses a different layout pattern.
Screen 1: Home Screen (Hero + List Layout)
Prompt:
"Design the home screen for a music discovery app called Audibly for iOS. Vibe: dark, immersive, editorial — like a music magazine at night. Deep black background (#0A0A0A) with electric purple (#7C3AED) accents. Layout: hero+list. Top: large hero card (full-width, 45% of screen height) showing featured artist with photo, name, genre tag, and a 'Listen Now' CTA. Below: section heading 'New Discoveries' with a horizontal scroll row of artist cards showing photo, name, and 'match score' percentage. Below: section heading 'Based on Your Taste' with another horizontal scroll. Navigation: bottom tabs — Discover, Search, My Library, Profile."
What this prompt specifies structurally:
- •Named the layout pattern (hero+list)
- •Gave exact height proportion for hero (45%)
- •Described two separate horizontal scroll sections with distinct headings
- •Named all four navigation tabs
Screen 2: Artist Detail (Detail Layout)
Prompt:
"Design the artist detail screen for Audibly. Consistent with Audibly home: deep black background, electric purple accents. Layout: detail. Large artist photo header taking the top 55% of screen with name, genre tags, and follower count overlaid in white on a dark gradient. Below: tabbed navigation row (Overview, Discography, Similar Artists). Below tabs: bio text section, 'Popular Tracks' list showing track name, duration, and a purple play button. Sticky bottom bar showing a 'Follow Artist' button and a shuffle play CTA."
Screen 3: Discovery Feed (Feed Layout)
Prompt:
"Design the discovery feed screen for Audibly. Consistent with Audibly: deep black background, electric purple accents. Layout: vertical feed with variable-height cards. Each card shows: artist thumbnail (left), artist name and genre tag (right), a short 'why we picked this' description below in light grey text, and a horizontal row of micro-actions at the bottom (heart, add to library, share). Cards vary in height based on description length. No separator lines between cards — use subtle card background (#111111) to separate."
Screen 4: Listening Stats Dashboard (Dashboard Layout)
Prompt:
"Design the listening stats dashboard for Audibly. Consistent with Audibly: deep black background, electric purple accents. Layout: dashboard. Full-width stat bar at top showing 3 metrics side by side: Hours This Week, New Artists Discovered, Listening Streak. Below: full-width bar chart card 'Your Listening by Day' showing 7-day pattern with purple bars. Below that: two half-width cards side by side — 'Top Genre' (pie chart) and 'Most Played Artist' (photo + name). Below: vertical list of 'Your Top 5 This Month' with rank number, artist photo, name, and play count."
The Structural Lock Technique: Keeping Layouts Consistent
When you're generating multiple screens for the same app, add this line to every prompt — before describing the specific screen:
"Consistent with Audibly app: deep black background (#0A0A0A), electric purple (#7C3AED) accents, iOS conventions, SF Pro typography, bottom tab navigation with Discover / Search / My Library / Profile tabs."
This "structural lock" line locks the shared elements — color, font, navigation — so each screen's prompt can focus entirely on its unique layout without re-specifying everything from scratch.
3 Layout Mistakes That Ruin Good Designs
Mistake 1: Mixing layout patterns on a single screen
Putting a hero card, a feed, AND a grid on the same screen produces a visually chaotic result. The user doesn't know where to look.
Fix: Each screen should use one dominant layout pattern. Secondary patterns can appear within a section, but the primary structure should be consistent.
Mistake 2: Not specifying sticky or pinned elements
AI tools sometimes place CTAs and navigation bars in the middle of a screen when they should be fixed at the bottom. This breaks standard mobile UX.
Fix: Use the words "sticky," "pinned," or "persistent" for elements that should stay in place while content scrolls. "Sticky bottom bar with play controls" is unambiguous. "Bottom bar with play controls" is not.
Mistake 3: Forgetting the thumb zone
Most mobile interactions happen in the bottom third of the screen because that's where thumbs naturally reach. Placing the primary CTA at the top of a screen forces users into an uncomfortable reach — especially on large phones.
Fix: Place primary action buttons in the lower portion of the screen. Include "primary CTA pinned at bottom" in your layout prompt for any action-heavy screen.
FAQ: Generating Mobile App Layouts with AI
1. Do I need to know design terms to specify a layout in a prompt?
No — spatial words work just as well as design terminology. "Large image at top, text below, button pinned to the bottom" is as effective as "full-bleed hero image, below-the-fold content, sticky CTA." The AI understands positional descriptions. What matters is being specific about where things sit relative to each other, not using the correct design vocabulary.
2. How do I know which layout type my screen should use?
Ask what the user's primary action is on that screen. If they're browsing many equal options (marketplace, gallery), use Grid. If they're consuming a stream of content (social, news), use Feed. If they're looking at one item in detail (product, profile), use Detail. If they're entering information (sign-up, settings), use Form. If they're getting a summary overview (analytics, health), use Dashboard. If they have one featured item plus a list, use Hero + List. The user's goal on that screen determines the right layout.
3. Can I generate multiple layout variations for the same screen?
Yes — this is one of the most powerful uses of AI layout generation. Generate three variations of the same screen with different layout patterns and compare them. For example, your home screen as Hero+List, as a Grid, and as a Feed. Show all three to potential users and ask which feels most natural. That process used to require three separate designer briefs. With AI tools it takes 30 minutes.
4. What's the most common layout mistake that makes AI-generated screens look amateurish?
Inconsistent spacing and missing navigation. Screens that have no bottom navigation bar look like individual design experiments, not screens from an app. Always include navigation in every screen prompt — even screens that don't have navigation in the final app should include it in early prototypes so viewers understand the app context. The second issue is using too many layout types on one screen — Hero + Grid + Feed in one screen creates visual chaos.
5. How do I generate layouts that work for both iOS and Android?
Specify your target platform in the prompt. "iOS conventions" produces bottom tab bars, system fonts, and navigation patterns that feel native to iPhone users. "Material Design 3" or "Android conventions" produces a different navigation style (often bottom nav with a floating action button), different typography, and component styles familiar to Android users. iOS and Android have genuinely different design languages — specifying which one you're designing for produces noticeably more appropriate output.
All examples generated using floow.design. Verified April 2026.