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iOS App Icon Sizes in 2026 — The Complete Guide

· 8 min read

Short answer: iOS app icons need one 1024×1024px source image — Xcode 14+ generates every smaller size (down to 40×40px) automatically at build time. The full matrix spans 19 slots across iPhone, iPad, Apple Watch, macOS, and the App Store listing icon, all square PNGs with no transparency or pre-rounded corners. Jump to the ready-to-use Contents.json or the interactive calculator below.

Apple's icon requirements have evolved significantly. With iOS 26 introducing the Liquid Glass design language and Xcode 26 adding the new Icon Composer tool, it's more important than ever to get your icon sizes right from the start.

This guide covers every icon size you need for iPhone, iPad, Apple Watch, Mac Catalyst, and App Store Connect — plus best practices that ensure your icon looks sharp everywhere.

The Single Source Icon

Starting with Xcode 14 (WWDC 2022), Apple introduced the "Single Size" approach for app icons. You now only need to provide a single 1024×1024px icon in your asset catalog, and Xcode automatically generates all required sizes at build time. This feature is available for iOS, iPadOS, and watchOS — macOS still requires individual sizes.

To enable it: open Assets.xcassets, select AppIcon, and choose "Single Size" in the Attributes Inspector (Apple Docs).

However, understanding the full size matrix is still critical for quality control, marketing assets, and platforms that don't use asset catalogs.

Skip the size chart entirely

IconBundlr generates all 19 icon sizes from a single text description and exports a complete Xcode-ready .appiconset in 30 seconds — no manual resizing.

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The Contents.json — Copy-Paste Ready

This is the canonical Contents.json manifest for an Xcode 14+ "Single Size" AppIcon.appiconset — the file that lives inside Assets.xcassets and tells Xcode which images map to which slots. Save a single 1024×1024px source as icon-1024.png (plus dark/tinted/watch/mac variants if you use them), drop this file in alongside it, and Xcode generates every other size automatically. No signup, no tool required — copy it straight from here.

{
  "images": [
    {
      "filename": "icon-1024.png",
      "idiom": "universal",
      "platform": "ios",
      "size": "1024x1024"
    },
    {
      "appearances": [
        {
          "appearance": "luminosity",
          "value": "dark"
        }
      ],
      "filename": "icon-1024-dark.png",
      "idiom": "universal",
      "platform": "ios",
      "size": "1024x1024"
    },
    {
      "appearances": [
        {
          "appearance": "luminosity",
          "value": "tinted"
        }
      ],
      "filename": "icon-1024-tinted.png",
      "idiom": "universal",
      "platform": "ios",
      "size": "1024x1024"
    },
    {
      "filename": "icon-1024-watch.png",
      "idiom": "universal",
      "platform": "watchos",
      "size": "1024x1024"
    },
    {
      "filename": "icon-1024-mac.png",
      "idiom": "mac",
      "platform": "macos",
      "size": "1024x1024"
    }
  ],
  "info": {
    "author": "xcode",
    "version": 1
  }
}

Prefer a per-size breakdown instead of the Single Size manifest? The interactive size calculator has one-click "Copy Contents.json", "Copy as CSV", and "Copy as JSON" export buttons for every platform.

Complete Size Matrix (2026)

Prefer to work the numbers yourself? Our free iOS icon size calculator renders every required dimension for any base size, and the condensed iOS app icon sizes 2026 reference is handy to keep open while you build.

iPhone & iPod Touch

Usage Size (pt) @2x (px) @3x (px)
App Icon 60×60 120×120 180×180
Spotlight 40×40 80×80 120×120
Settings 29×29 58×58 87×87
Notifications 20×20 40×40 60×60

iPad

Usage Size (pt) @1x (px) @2x (px)
App Icon 83.5×83.5 — 167×167
App Icon (iPad Mini) 76×76 76×76 152×152
Spotlight 40×40 40×40 80×80
Settings 29×29 29×29 58×58
Notifications 20×20 20×20 40×40

Apple Watch

Usage Size (px)
Home Screen (38mm) 80×80
Home Screen (42mm) 88×88
Home Screen (44mm/45mm) 100×100
Short Look (38mm) 172×172
Short Look (42mm+) 196×196

App Store

Usage Size (px)
App Store Listing 1024×1024

iOS 26 & Liquid Glass: What Changed

Apple's Liquid Glass design language, introduced at WWDC 2025, brings the biggest visual overhaul to app icons since iOS 7. Here's what changed for icon design:

Apple Icon Composer: The New Tool

Alongside iOS 26, Apple introduced Icon Composer — a dedicated tool bundled with Xcode 26 for creating multi-layered, Liquid Glass icons (Apple Documentation).

To launch it: Xcode → Open Developer Tool → Icon Composer.

Key features:

Drag the .icon file into your Xcode project navigator, then set it in Target → General → App Icons and Launch Screen.

Best Practices for 2026

1. Design at 1024×1024, Test at 60×60

Always design at the full 1024px resolution, but frequently preview at small sizes (60×60px) to ensure your icon is recognizable. If details blur at small sizes, simplify. Apple's HIG states the icon must remain "clear and recognizable" even at 29×29 pixels (source).

2. Avoid Text in Icons

Text becomes illegible at small sizes (29×29pt Settings icon). Use symbols and shapes instead. Apple explicitly discourages text in app icons unless it's essential to the brand.

3. Use the Squircle Mask

Don't add your own rounded corners — iOS applies the continuous corner radius (squircle) mask automatically. Provide a square image with content extending to all edges.

4. Mind the Safe Zone

Keep all meaningful content within 80% of the icon area (roughly 15% inset from each edge). The squircle mask will crop the corners.

5. Use Display P3 Color Space

Apple recommends Display P3 (wide-gamut) for greater vibrancy, with sRGB as a fallback. Icons should be opaque PNG files with no transparency, max file size 1024 KB (Apple Specifications).

6. Test Against Wallpapers

With Liquid Glass transparency effects, your icon may appear over various backgrounds. Test against light, dark, and colorful wallpapers in all four appearance modes (Default, Dark, Clear, Tinted).

Skip the Manual Work

IconBundlr generates all 19 icon sizes automatically — from a single text description. Export a complete Xcode-ready .appiconset in 30 seconds.

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How to Add Icons to Xcode

Xcode 14+ (single-size approach):

  1. Open your project's Assets.xcassets file
  2. Select the AppIcon icon set
  3. In the Attributes Inspector, choose "Single Size" for iOS
  4. Drag your 1024×1024 image into the slot
  5. Build and run — Xcode generates all required sizes

Xcode 26+ (Icon Composer approach):

  1. Design your layers in Figma, Sketch, or Photoshop (see our Figma to Xcode app icon export tutorial)
  2. Open Icon Composer (Xcode → Open Developer Tool → Icon Composer)
  3. Import layers, apply Liquid Glass effects
  4. Save as a .icon file and drag into your Xcode project

For more control (or compatibility with older Xcode versions), check our Xcode AppIcon.appiconset tutorial. If you're targeting the new design language, our guide to iOS 26 Liquid Glass app icons walks through the layered Default, Dark, Clear, and Tinted modes.

Common Mistakes

Several of these mistakes are also the most common causes of a binary getting bounced — see our breakdown of App Store icon rejection reasons and fixes before you submit.

Summary

In 2026, the icon system is simpler than ever (one image, auto-generated sizes) but the design bar is higher with Liquid Glass. Focus on creating a bold, recognizable symbol at 1024×1024 with strong contrast, Display P3 color, and edge-safe composition. Let Xcode's Icon Composer — or a tool like IconBundlr — handle the rest.

Sources