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:
-
Which platforms? (multi-select)
- iPhone
- iPad
- Mac
- Apple Watch
- Apple TV
- Apple Vision Pro
-
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