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create app screenshots

a senior mobile app growth strategist + Play Store ASO expert + marketing designer.

CategoryMarketing › Product pages
TagsAnalyzingDraftingMarketer
Prompt
Act as a senior mobile app growth strategist + Play Store ASO expert + marketing designer.

OBJECTIVE:
Create a complete, high-converting Google Play Store screenshot system using ONLY:
1. Play Store URL
2. App UI screenshots

---

INPUT:
- Play Store URL: $${playstore_url}
- App UI screenshots (ordered): $${app_screenshots}
[SCREENSHOT_1, SCREENSHOT_2, ... SCREENSHOT_8]

---

SYSTEM BEHAVIOR (VERY IMPORTANT):

1. First:
   - Analyze Play Store URL
   - Extract:
     - App purpose
     - Core features
     - Target audience
     - Emotional drivers
     - Value propositions

2. Then:
   - Create screenshot strategy (max 8 screens)

3. Then:
   - Process ONLY ONE screenshot at a time

4. After each output:
   - STOP
   - Wait for user input: "next"

5. On user typing "next":
   - Move to next screenshot
   - Continue until all screenshots are completed

6. If user sends new message with "next":
   - Continue from last state (do NOT restart)

---

STEP 1: APP ANALYSIS (DO ONLY ONCE)

Output:
- Core Problem
- Main Value
- Target Audience
- Emotional Drivers
- 3–5 Value Pillars

---

STEP 2: SCREENSHOT STRATEGY

Create max 8 screenshots:

1. Hook (attention)
2. Core value
3. Feature 1
4. Feature 2
5. Feature 3
6. Experience / UI simplicity
7. Emotional benefit
8. Trust / privacy

---

STEP 3: FOR EACH SCREENSHOT (ONE AT A TIME)

Generate:

1. Screenshot Number
2. Purpose
3. Headline (max 5–7 words)
4. Subtext (1 short line)
5. Visual Focus (what to highlight in UI)
6. Final AI Image Prompt

---

FINAL AI IMAGE PROMPT FORMAT:

You are a senior mobile app marketing designer.

Create a Play Store screenshot using:
- App UI: CURRENT_SCREENSHOT_IMAGE
- Headline: GENERATED_HEADLINE
- Subtext: GENERATED_SUBTEXT

Design rules:
- 1242x2208 portrait (must scale to 1080x1920)
- Top 25% → text
- Middle 55% → UI
- Bottom 20% → spacing

Style:
- Modern, clean, premium
- Gradient background (based on app category)
- High contrast, readable

UI handling:
- Convert UI into card (rounded corners + shadow)
- Add subtle glow behind UI
- Keep UI dominant

IMPORTANT UI CLEANUP:
- If the screenshot contains system status bar (time, battery, network icons):
  - Remove or crop it out
  - Do NOT include it in final design
  - Ensure clean, app-only UI presentation

Enhancement:
- Use minimal arrows/highlights to guide attention
- Avoid clutter

Constraints:
- Do NOT modify UI content
- Do NOT distort UI
- No fake elements

Output:
Return only final image.

---

GLOBAL DESIGN SYSTEM (APPLY TO ALL):

- Same layout
- Same colors
- Same typography
- Consistent style across all screenshots

---

CONVERSION RULES:

- Each screenshot = ONE idea
- Must be understood in <2 seconds
- Focus on benefit, not feature
- Readable at thumbnail size

---

FAILURE RULES:

- Do NOT hallucinate features not in Play Store
- If info missing → infer carefully from category
- Keep design minimal, not decorative

---

OUTPUT FLOW:

First message:
- App Analysis
- Screenshot Strategy
- Screenshot 1 (FULL output)

Then STOP.

Wait for user.

If user types:
"next"

→ Output Screenshot 2

Repeat until Screenshot 8.

---

IMPORTANT:

- Never output all screenshots at once
- Never skip order
- Maintain consistency across all outputs
- Continue from previous state on each "next"

What this prompt does

Used to create a Google Play Store promotional screenshot system. It processes one screenshot at a time, waits for next, and forbids modifying or distorting the UI content.

Model comparison

ChatGPT best respects the evidence and constraints. Gemini is specific but hallucinates details, while [C] provides no answer.

ChatGPTTop overall
45/ 50

+ Faithfully builds the strategy and first screen from the six supplied screens.

- Lacks evidence of URL inspection, and a few value claims are inferred.

Gemini
37/ 50

+ Provides concrete, practical conversion goals and visual directions.

- Invents unsupported details such as one minute, three seconds, ages 20–30, and a summary card.

CriterionChatGPTGeminiLeader
Instruction following98ChatGPT +13%
Accuracy96ChatGPT +50%
Specificity98ChatGPT +13%
Structure98ChatGPT +13%
Right length97ChatGPT +29%

Scored 1–10 by gpt-5.6-sol with model names hidden (2026-09-25). This is an AI review, not a measurement.

Read full answers

We gave three models the same input and copied their answers unedited. Each ran in its CLI (an agent harness), and answers in the ChatGPT or Claude apps or on the web may differ. Outputs are in Korean.

Input used
[Pasted material]
Play Store URL: https://play.google.com/store/apps/details?id=com.wooricompany.habittracker (습관 트래커 앱 '하루습관')
앱 스크린샷은 총 6장입니다: 1) 홈 화면(오늘의 습관 체크리스트), 2) 습관 추가 화면, 3) 주간 달성률 그래프, 4) 캘린더 히트맵 화면, 5) 리마인더 알림 설정 화면, 6) 다크모드 프로필 화면. 스크린샷은 1080x2400 해상도 PNG이고 상태바(시간·배터리)가 그대로 포함되어 있습니다.
gpt-5.6-luna (codex CLI · 에이전트 하네스) · Run on 2026-09-24

앱 분석

  • Core Problem: 습관을 시작해도 기록과 꾸준한 실천이 쉽게 끊김
  • Main Value: 매일의 습관을 간단히 체크하고, 누적된 성취를 시각적으로 확인
  • Target Audience: 자기관리·생산성 향상을 원하는 학생, 직장인, 생활 루틴 사용자
  • Emotional Drivers: 성취감, 통제감, 꾸준함, 부담 없는 자기개선
  • Value Pillars
    1. 매일 쉽게 체크하는 습관 관리
    2. 달성률과 기록을 통한 동기 부여
    3. 캘린더 기반의 꾸준함 시각화
    4. 리마인더를 통한 실천 보조
    5. 다크모드와 프로필 기반의 편안한 사용 경험

스크린샷 전략

번호 역할 사용 UI
1 Hook / 핵심 가치 오늘의 습관 체크리스트
2 습관을 쉽게 시작 습관 추가 화면
3 성취감과 성장 확인 주간 달성률 그래프
4 꾸준함 시각화 캘린더 히트맵
5 실천을 놓치지 않게 지원 리마인더 알림 설정
6 편안하고 개인화된 경험 다크모드 프로필

제공된 UI만으로 구성하므로, 근거가 없는 개인정보 보호·동기부여 기능 등은 별도 주장하지 않습니다.


Screenshot 1

Purpose

앱을 처음 보는 순간, “매일 해야 할 습관을 한곳에서 간단히 관리할 수 있다”는 핵심 가치를 전달합니다.

Headline

오늘의 습관, 한눈에 끝

Subtext

작은 체크가 꾸준한 변화를 만듭니다.

Visual Focus

  • 오늘의 습관 체크리스트를 화면 중앙에 크게 배치
  • 완료된 습관과 아직 남은 습관의 상태가 즉시 보이도록 표현
  • UI는 둥근 모서리 카드와 은은한 그림자로 강조
  • 1080×2400 원본에서 상태바 영역은 제거
  • 체크리스트 자체의 콘텐츠와 텍스트는 변경하지 않음

Final AI Image Prompt

You are a senior mobile app marketing designer.

Create a Play Store screenshot using:

  • App UI: CURRENT_SCREENSHOT_IMAGE — Screenshot 1, 오늘의 습관 체크리스트 화면
  • Headline: 오늘의 습관, 한눈에 끝
  • Subtext: 작은 체크가 꾸준한 변화를 만듭니다.

Design rules:

  • Create a 1242x2208 portrait composition and ensure it scales cleanly to 1080x1920.
  • Top 25%: headline and subtext
  • Middle 55%: app UI
  • Bottom 20%: clean breathing space
  • Use a calm premium gradient background from deep indigo blue to soft mint-blue.
  • Use high contrast Korean typography with strong readability at thumbnail size.
  • Place the headline near the upper center with generous spacing.
  • Place the subtext directly below the headline.
  • Convert the supplied UI into a refined rounded card with a subtle shadow.
  • Add a soft, restrained glow behind the UI card.
  • Keep the app UI dominant and visually larger than decorative elements.

UI handling:

  • Use the supplied UI screenshot exactly as the source.
  • Do not modify, rewrite, replace, or invent any UI content.
  • Do not distort, stretch, or alter the proportions of the UI.
  • Crop out the entire system status bar, including time, battery, and network icons.
  • Present only the clean app interface.
  • Preserve all existing checklist labels, check states, icons, colors, and spacing.

Enhancement:

  • Use only minimal visual emphasis around the checklist completion area if already supported by the UI.
  • Do not add fake buttons, fake statistics, fake badges, or decorative illustrations.
  • Keep the composition uncluttered and benefit-focused.

Constraints:

  • One clear idea only: easily checking today’s habits.
  • The design must be modern, clean, premium, and consistent with future screenshots.
  • Do not hallucinate features.
  • Do not make unsupported claims.
  • Output only the final image.

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