iOS App Icon Creator & Xcode Asset Catalog Studio
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Apple HIG & iOS 18+ Ready

iOS App Icon Creator & Xcode Asset Catalog Studio

Design pixel-perfect Apple Human Interface Guidelines app icons with superellipse squircle curvature, test iOS 18 Light, Dark & Tinted modes, and download the full Xcode AppIcon.appiconset bundle with pre-configured Contents.json.

Artwork Source
Apple SF-Style Vector Symbol Sparkles
Symbol Scale 58%
Offset X 0px
Offset Y 0px
Symbol Color
Embossed Bevel / Drop Shadow 14px
Apple HIG Live Squircle Preview

Rendered using exact mathematical superellipse curvature (n=4.5)

Generated Xcode AppIcon.appiconset Structure Xcode 15 / 16 / 17 Universal Matrix
Target File in AppIcon.appiconset Pixel Resolution Scale Factor Target Apple Platform & Usage
AppStore-1024.png 1024 × 1024 px 1x Universal App Store Connect Marketing Icon (No Alpha)
iPhone-60@3x.png 180 × 180 px 3x (60pt) iPhone 16 Pro Max, iPhone 16 Pro, iPhone 15 Pro
iPhone-60@2x.png 120 × 120 px 2x (60pt) iPhone 16, iPhone 15, iPhone SE (Retina)
iPad-83.5@2x.png 167 × 167 px 2x (83.5pt) iPad Pro 11-inch & 12.9-inch
iPad-76@2x.png 152 × 152 px 2x (76pt) iPad Air & iPad mini Retina
Spotlight-40@3x.png 120 × 120 px 3x (40pt) iOS Spotlight Search Results
Settings-29@3x.png 87 × 87 px 3x (29pt) iOS Settings App Navigation Icon
Contents.json JSON Schema Metadata Xcode Build Asset Catalog Manifest

Apple HIG App Icon Design & Xcode Submission Guide

Ensure 100% compliance with Apple App Store Review Guidelines.

App Store 1024px Upload Rules

Apple requires a 1024 × 1024 pixel PNG. The asset must have no transparency (no alpha channel) and must be a full square. Do not round the corners in your graphic—Apple applies the standard rounded superellipse mask automatically in the App Store.

The Mathematical Superellipse

Apple does not use standard border-radius circles or round-rects. Instead, Apple uses a continuous curvature superellipse (squircle) defined by Lamé curves. Our studio utilizes this exact mathematical curvature for authentic preview fidelity.

Xcode 16 Single Size Workflow

Modern Xcode 15 and 16 versions support a single 1024x1024 universal icon asset catalog that automatically generates all downscaled icons during app compilation. Our generated Contents.json is pre-configured to support both modern universal and legacy discrete matrix formats.

Frequently Asked Questions

Why does App Store Connect give an error about an alpha channel?

App Store Connect strictly forbids transparent pixels in the 1024x1024 marketing icon. When you download the App Store icon from our tool, we automatically export a 24-bit RGB PNG with a solid background and zero alpha channel, ensuring an error-free upload.

How do I support Dark Mode and Tinted Mode in iOS 18?

In Xcode 16, you can add Dark and Tinted icon variants inside your AppIcon.appiconset. Our tool generates clean, high-contrast dark and tinted assets that meet Apple's iOS 18 contrast requirements.

Are my vector graphics private?

Yes. All image processing, canvas filtering, and ZIP bundling happen 100% on your device in your web browser. Nothing is ever sent to a remote server.

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