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Design Tool

App Icon Generator

Get icon design concepts tailored to your app's category and style — with exact sizing specs for both App Store and Google Play.

Guide: App Icon Design Principles

Your app icon is the first visual impression users have — before they read your name or description. A strong icon increases tap-through rate on search results and improves brand recognition.

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Design at 1024×1024px

Always design your master icon at 1024×1024px. The OS and stores will downsample to smaller sizes. If it looks good at 1024px but not at 60px, simplify your symbol.

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iOS Human Interface Guidelines

Apple's HIG says icons should be 'focused, easily recognizable, and not overly detailed'. Avoid text, faces of real people, and screenshots in your icon. Apple will reject icons that violate these guidelines.

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Android Adaptive Icons

Android 8+ uses adaptive icons: a foreground layer + background layer. The OS applies different shapes (circle, squircle, teardrop) depending on the device. Design within the 72dp safe zone to avoid clipping.

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Color Psychology

Color sets the tone before users read a single word. Blue = trust (finance, productivity). Orange/red = energy (food, fitness). Green = health/growth. Purple = creativity/premium. Choose intentionally.

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Test at Real Sizes

Your icon appears at 20×20px in Spotlight search. Open your 1024px icon, scale it to 20px, and screenshot it. If you can't tell what it is, simplify the symbol.

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Stand Out on the Store

Most icons in any category use similar colors and shapes. Pick up your category's top 20 icons and find the visual gap — the color, shape, or style that nobody else is using. That's your opportunity.

Comparison: Icon Styles on iOS vs Android

The same icon style behaves differently across platforms. Here's what works where.

Icon StyleiOS App StoreGoogle Play
FlatHighly recommended — most iOS icons use flat styleWorks great, pairs well with Material You dynamic color
GradientVery popular on App Store — especially for B2C appsSupported, but ensure gradient bakes into the foreground layer
Material YouNot applicable to iOSBest for Android-first apps targeting Android 12+; requires monochrome variant
SkeuomorphicAllowed but rare — works for premium or creative toolsUncommon, test adaptive masking carefully
Minimal / WordmarkPopular for SaaS and productivity appsExcellent as adaptive icon — clean on all device shapes
IllustratedWorks for games, kids apps, and character-driven brandsTest that character face stays within safe zone after masking

App Icon Design Glossary

Essential terms for app icon design and store submission.

app iconiOS iconAndroid iconadaptive iconforeground layerbackground layersafe zone1024px512pxicon shapesquircleflat designgradient iconMaterial Youskeuomorphicicon gridgolden ratioicon framekeylineicon maskablemonochrome iconApp Store ConnectGoogle Play Consoleicon rejectedicon guidelinesHIGicon concepticon styleapp store optimizationicon A/B test

Frequently Asked Questions

What size do I submit to the App Store?
Submit a 1024×1024px PNG with no alpha channel (no transparency). iOS automatically applies rounded corners, so submit as a square. App Store Connect will reject icons with an alpha channel.
What's the difference between an adaptive icon and a regular Android icon?
Adaptive icons (Android 8+) consist of two layers: a foreground layer (your symbol) and a background layer (solid color or pattern). The OS applies different shapes depending on the device manufacturer. A regular launcher icon is a single flat PNG used on Android 7 and below.
Can I use the same icon for iOS and Android?
Yes, most apps use visually consistent icons across platforms. However, for Android you'll also need to provide an adaptive icon (foreground + background layers) and optionally a monochrome variant for Material You dynamic color on Android 12+.
Will Apple reject my icon?
Apple rejects icons that: contain screenshots of UI, show pricing or sale language, use their trademarked logos (Apple logo), look identical to a system app, or use real people's faces without permission. Beyond that, icon approval is rarely the reason for rejection.
Should I A/B test my icon?
Yes — Google Play supports store listing experiments where you can test 2–3 icon variants against each other for conversion rate. Apple doesn't natively support A/B icon testing, but you can use a phased release and measure install rate changes manually.
How do I make my icon look good at 20px?
Use a single bold symbol with maximum 2 colors. Remove all thin lines, fine details, and text. The symbol should touch or nearly touch the edges of the icon frame. If it needs text to be understood at 20px, replace the symbol with something more iconic.