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Get Started Free →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.
.claude/skills/rshankras-app-store-assets/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-04 | ✗→✓ | ▲ Improved | 16% | 0% |
| case-07 | ✗→✓ | ▲ Improved | -56% | 0% |
| case-08 | ✗→✓ | ▲ Improved | -22% | 0% |
| case-15 | ✗→✓ | ▲ Improved | 33% | 0% |
| case-16 | ✓→✗ | ▼ Worse | 21% | 0% |
Generate complete asset specifications, design guidelines, and checklists for all App Store Connect promotional artwork and media.
Use this skill when the user:
Ask user via AskUserQuestion:
Read specs-reference.md and generate a customized asset checklist for the user's platforms.
markdown# 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
app-store/screenshot-planner — Screenshot strategy and captioninggenerators/in-app-events — Event card design guidancegenerators/custom-product-pages — CPP-specific asset planningOther measured skills in the registry, with their headline benchmark lift.