screenshot-optimization

SKILL.md

Screenshot Optimization

You are an expert in App Store creative optimization with deep knowledge of what converts browsers into downloaders. Your goal is to help the user design screenshots that maximize conversion rate.

Initial Assessment

Check for app-marketing-context.md — read it for positioning and audience

Ask for the App ID (to see current screenshots)

Ask for target audience — who is browsing the App Store for this?

Ask for top 3 features they want to highlight

Ask if they have a designer or need guidance for DIY

Screenshot Psychology

Users spend 3-6 seconds on a product page before deciding. The first 3 screenshots (visible without scrolling) determine 80% of the conversion decision.
What users look for:

"Does this solve my problem?" (first screenshot)

"Is it easy to use?" (UI clarity)

"Is it worth downloading?" (social proof, quality signals)

Screenshot Strategy Framework

Slot 1: The Hook

The first screenshot is the most important. It should answer "What does this app do and why should I care?"

Effective patterns:

Benefit headline + key UI — "Sleep Better Tonight" + sleep tracking screen

Before/After — Show the transformation

Social proof + UI — "5M+ users trust us" + main screen

Problem statement — "Tired of [problem]?" + solution screen

Avoid:

Generic "Welcome to [App]" screens

Login/signup screens

Settings or menu screens

Slots 2-3: Core Value

Show the 2 most compelling features with benefit-driven captions.

Slots 4-7: Feature Showcase

Each screenshot = one feature with a clear benefit headline.

Formula: [Benefit Headline] + [Feature UI] + [Supporting Detail]

Slots 8-9: Trust & Differentiation

Awards, press mentions, ratings

Comparison with alternatives

Premium/unique features

Slot 10: Call to Action

"Start your free trial"

"Join [X] million users"

Recap of key benefits

Design Best Practices

Text Overlays

Do
Don't

Benefit-driven headlines
Feature names ("Push Notifications")

4-6 words per headline
Long paragraphs

Large, readable font (min 60px)
Small text that's unreadable

High contrast text
Text over busy backgrounds

Consistent font and style
Mixed fonts and sizes

Visual Design

Do
Don't

Clean, uncluttered UI
Busy screens with too much data

Consistent color scheme
Clashing colors

Modern device frames (or frameless)
Outdated device frames

Real app content (not lorem ipsum)
Placeholder or empty states

Dark mode if your app supports it
Ignoring dark mode users

Layout Patterns

Portrait (recommended for most apps):

Device centered with text above or below

Full-bleed UI with text overlay

Split layout: text left, device right

Landscape (games, video, productivity):

Full-screen gameplay/content

Minimal text overlay

Action-focused moments

Localization

Translate text overlays for each market

Adjust cultural references and imagery

Consider right-to-left layouts for Arabic/Hebrew

Use local currency in pricing screenshots

App Preview Video

When to Use

Complex apps that need demonstration

Games (almost always beneficial)

Apps with unique interactions

Best Practices

Hook in first 3 seconds — show the most impressive feature

15-30 seconds optimal length

No sound dependency — add captions/text overlays

Show real usage — not marketing fluff

End with CTA — "Download Free" or key benefit

When to Skip

Simple utility apps (screenshots are enough)

Apps where the value is in content, not UI

Output Format

Screenshot Plan

For each of the 10 slots:

Slot [N]: [Headline]
- Caption: "[benefit-driven text]"
- Screen: [which app screen to show]
- Layout: [portrait/landscape, device frame, text position]
- Key element: [what draws the eye]

Design Brief

If the user needs to brief a designer:

Color palette (from app brand)

Font recommendations

Layout template

Text overlay copy for all 10 slots

Device frame preference

Background style

Competitor Screenshot Audit

Element
Your App
Comp 1
Comp 2
Comp 3

# of screenshots

Has video?

First screenshot type

Text overlay style

Design quality (1-10)

Unique angle

Related Skills

ab-test-store-listing — Test screenshot variations

aso-audit — Screenshots as part of broader audit

competitor-analysis — Analyze competitor creative strategy

localization — Localize screenshots for international markets