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bloom-banner-01-light-tags-1500x500

NOTE: MAKE SURE TO USE 6.1 INCH simulator to capture starting screenshots

this will save u from adjusting the images later

App Store Screenshots Generator

A skill for AI-powered coding agents (Claude Code, Cursor, Windsurf, etc.) that generates production-ready App Store screenshots for iOS apps. It scaffolds a Next.js project, designs advertisement-style screenshots, and exports them at all required Apple resolutions.

Example output — Bloom coffee tracking app

What it does

  • Asks you about your app's brand, features, and style preferences
  • Scaffolds a minimal Next.js project (or works within an existing one)
  • Designs each screenshot as an advertisement — not a UI showcase
  • Writes compelling copy using proven App Store copywriting patterns
  • Renders screenshots at full resolution with a built-in iPhone mockup
  • Exports PNGs at all 4 Apple-required sizes (6.9", 6.5", 6.3", 6.1")

Included assets

  • mockup.png — Pre-measured iPhone frame with transparent screen area

Install

Using npx skills (recommended)

npx skills add ParthJadhav/app-store-screenshots

This works with Claude Code, Cursor, Windsurf, OpenCode, Codex, and 40+ other agents.

Install globally (available across all projects):

npx skills add ParthJadhav/app-store-screenshots -g

Install for a specific agent:

npx skills add ParthJadhav/app-store-screenshots -a claude-code

Manual (git clone)

git clone https://github.com/ParthJadhav/app-store-screenshots ~/.claude/skills/app-store-screenshots

Usage

Once installed, the skill triggers automatically when you ask Claude Code to:

  • Build App Store screenshots
  • Generate marketing screenshots for an iOS app
  • Create exportable screenshot assets

Or just tell Claude Code what you need:

> Build App Store screenshots for my app

Claude will ask you about your app's screenshots, brand colors, font, features, style direction, and number of slides before building anything.

Example prompts

These are good starting prompts because they provide product context while still leaving room for the skill to guide the design process.

Habit tracker

Build App Store screenshots for my habit tracker.
The app helps people stay consistent with simple daily routines.
I want 6 slides, clean/minimal style, warm neutrals, and a calm premium feel.

Finance app

Generate App Store screenshots for my personal finance app.
The app's main strengths are fast expense capture, clear monthly trends, and shared budgets.
I want a sharp, modern style with high contrast and 7 slides.

AI productivity tool

Create exportable App Store screenshots for my AI note-taking app.
The core value is turning messy voice notes into clean summaries and action items.
I want bold copy, dark backgrounds, and a polished tech-forward look.

Wellness app

Build marketing screenshots for my meditation app.
The app focuses on sleep, stress relief, and short guided sessions.
Use a soft, warm, organic style and prioritize emotional outcomes over feature lists.

Better prompt tips

  • say what the app does in one sentence
  • list the top 3-5 features in priority order
  • describe the visual style you want
  • mention how many slides you need
  • provide references if you want the output to match a certain App Store style

What gets scaffolded

If starting from an empty folder, the skill creates:

project/
├── public/
│   ├── mockup.png          # iPhone frame (copied from skill)
│   ├── app-icon.png        # Your app icon
│   └── screenshots/        # Your app screenshots
├── src/app/
│   ├── layout.tsx          # Font setup
│   └── page.tsx            # Screenshot generator (single file)
├── package.json
└── ...

The entire generator is a single page.tsx file. Run the dev server, open the browser, click any screenshot to export it as a PNG.

Export sizes

Display Resolution
6.9" 1320 x 2868
6.5" 1284 x 2778
6.3" 1206 x 2622
6.1" 1125 x 2436

Screenshots are designed at 1320x2868 (largest) and scaled down for smaller sizes.

Tech stack

Dependency Purpose
Next.js Dev server + static image serving
TypeScript Type safety
Tailwind CSS Styling
html-to-image PNG export at exact resolutions
React Component composition

Key design principles

  • Screenshots are ads, not docs — each slide sells one idea
  • Copy follows the "one second" rule — readable at thumbnail size in the App Store
  • Layouts vary — no two adjacent slides share the same phone placement
  • Style is user-driven — no hardcoded colors, gradients, or fonts

Quality Checklist

Before exporting, each slide should pass this quick review:

  • the headline communicates one idea in about one second
  • the first slide sells the strongest user benefit
  • adjacent slides do not reuse the same layout
  • decorative elements support the message instead of blocking the UI
  • text, screenshots, and framing still look correct after export sizing

Requirements

  • Node.js 18+
  • One of: bun, pnpm, yarn, or npm (detected automatically, bun preferred)

License

MIT

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end to end app store screenshot creation using AI

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