How to Make App Icons for Android and iOS

What Makes a Good App Icon

A strong app icon is simple, recognizable, and works at every size. On a crowded home screen it competes with dozens of other icons, so clarity beats detail every time. The best icons usually rely on one clear symbol, a confident color, and plenty of breathing room.

Think about how the icon will look shrunk down in search results or notification badges. If your concept only works at full size, it is too busy. Aim for something a user can identify in a fraction of a second.

The Sizes Each Platform Needs

Both platforms ask for a primary high-resolution icon and then generate or request smaller variants. Here is the practical baseline.

Designing the Master Icon

Start with a single 1024 by 1024 canvas. This master file becomes the source for every other size. Keep these principles in mind as you design:

• One focal element. A logo mark, a letter, or a simple object. Avoid cramming in multiple ideas.
• Comfortable padding. Leave margin around the artwork so it is not crowded against the edges, especially for maskable Android icons.
• Limited palette. Two or three colors keep the icon crisp and memorable.
• Test in grayscale. If it still reads without color, the shape is strong enough.

Exporting the Full Icon Set

You rarely need to export each size by hand. An icon or favicon generator takes your master image and produces the whole range at once. The workflow is short:

Common Mistakes to Avoid

• Adding your own rounded corners. Both platforms apply their own shape, so submit a full square.
• Using transparency on store icons. The App Store rejects transparent icons. Fill the background.
• Placing detail near the edges. Maskable cropping can clip it. Keep the important art centered.
• Exporting from a small source. Upscaling a low-res icon leaves it soft. Always start large.

Adaptive and Maskable Icons on Android

Android handles icons differently from iOS, and the key idea to grasp is the adaptive icon. Rather than a single fixed image, Android can treat your icon as artwork inside a larger canvas, then crop it into whatever shape the device uses. The same app might appear as a circle on one phone and a rounded square on another.

For web projects, the equivalent is the maskable icon defined in your manifest. You mark an icon with a purpose of maskable, and you design it so the important content stays within a central safe zone. Roughly the middle 80 percent of the image is guaranteed to be visible, while the outer ring acts as a buffer that may be trimmed.

The practical effect is that you should not place your logo or text near the edges of a maskable icon. Center the artwork, give it room to breathe, and let the background extend to fill the whole square. When the device applies its shape, your logo stays intact instead of losing a corner.

Tools and Workflow for Generating the Set

Producing every icon size by hand is slow and error-prone. A smoother workflow leans on a generator to do the repetitive resizing while you focus on the design.

Start in a design tool of your choice and create a single master at 1024 by 1024 pixels. Keep the artwork on its own layer so you can export both a transparent and a filled version if you need them. Once the master looks right at full size and still reads when you preview it small, you are ready to generate.

Feed the master into an icon or favicon generator. A good one outputs the full range in a single pass: the App Store size, the Play Store size, the web app manifest sizes, and the maskable variant. Download the set, then drop the files into your app project or website and reference them in the appropriate configuration.

Keep your master file safe and organized. When you eventually refresh the icon, regenerating the whole set from an updated master is far easier than recreating each size individually.

Keeping Icons Consistent With Your Brand

An app icon rarely lives in isolation. It sits next to your website favicon, your social profiles, and your marketing. When all of these share a look, people recognize you faster and trust the experience more.

Use the same core symbol and color palette across every touchpoint. If your website favicon is a blue monogram, your app icon should echo that rather than introduce a different mark. Small consistency decisions add up to a brand that feels coherent wherever someone encounters it.

That said, an app icon can be a little richer than a 16 pixel favicon because it is shown larger. You might add a subtle gradient or a touch more detail. The trick is to keep the silhouette and color identity the same, so the icons clearly belong to the same family even if one is simpler than the other.

Updating an App Icon After Launch

Icons are not set in stone. Brands refresh, and an icon that felt right at launch may look dated later. Updating it is straightforward as long as you plan the change.

• Regenerate from the master. Update your 1024 pixel source and export the full set again so every size stays in sync.
• Replace all references. Swap the files in your app project and web manifest, making sure no old size is left behind.
• Evolve, do not reinvent. A drastic change can confuse loyal users. Gradual refinement keeps recognition intact.
• Clear caches when testing. Installed icons are cached on devices, so remove and re-add the app to confirm the new icon appears.

FAQs