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name: app-store-assets description: Comprehensive App Store asset specifications and guidelines for all promotional artwork — app icons, screenshots, app previews, event cards, subscription images, and featuring artwork. Use when preparing assets for App Store Connect upload. allowed-tools: [Read, Write, Edit, Glob, Grep, AskUserQuestion] last_verified: 2026-07-16 review_by: 2027-06-22

App Store Assets Generator

Generate complete asset specifications, design guidelines, and checklists for all App Store Connect promotional artwork and media.

When This Skill Activates

Use this skill when the user:

• Asks about "App Store asset specs" or "screenshot sizes"
• Mentions "app preview" video requirements
• Wants to know "what images do I need" for App Store
• Preparing assets for submission or update
• Asks about "featuring artwork" or "subscription images"
• Needs a comprehensive asset checklist

Configuration Questions

Ask user via AskUserQuestion:

1. Which platforms? (multi-select)

   • iPhone
   • iPad
   • Mac
   • Apple Watch
   • Apple TV
   • Apple Vision Pro

2. What assets do you need?

   • App icon
   • Screenshots
   • App preview video
   • In-App Event card images
   • Subscription promotional images
   • Custom Product Page assets
   • All of the above

Output Format

Read specs-reference.md and generate a customized asset checklist for the user's platforms.

# App Store Asset Checklist: [App Name]

## Required Assets

### App Icon
| Spec | Value |
|------|-------|
| Size | 1024 x 1024 px |
| Format | PNG |
| Color space | sRGB or Display P3 |
| Layers | Flat (no transparency, no rounded corners) |
| Shape | Square (system applies mask) |

### Screenshots: [Platform]
[Platform-specific requirements]

### App Preview (Optional but Recommended)
[Video specifications]

## Promotional Assets

### In-App Event Card
[Specs if applicable]

### Subscription Image
[Specs if applicable]

## Production Checklist
- [ ] All sizes prepared
- [ ] Localizations ready
- [ ] Tested on actual devices for readability
- [ ] Compliant with Apple content guidelines

References

• specs-reference.md — Complete specifications for all asset types
• Related: app-store/screenshot-planner — Screenshot strategy and captioning
• Related: generators/in-app-events — Event card design guidance
• Related: generators/custom-product-pages — CPP-specific asset planning