App icon guides

Working answers to what developers and iPhone owners search before they make an icon, from the 1024 pixel spec to a coherent custom home screen.

iOS App Icon Size Requirements, Explained
The only file iOS actually requires is a 1024×1024 PNG: no alpha, no baked-in rounded corners, sRGB. Every derived size and the rules behind them.
How to Make an App Icon That Stands Out
Standing out on the App Store is relative. Audit the icons you appear next to, pick the color nobody in your category is using, and test at thumbnail size.
Custom App Icons for an Aesthetic Home Screen
Two ways to customise iPhone app icons: the built-in tint and dark options, or Shortcuts with your own art. Plus how to keep a set looking related.
What Makes a Good App Icon Design
A good app icon survives 60 pixels, carries one subject, holds a two or three color palette, and has a silhouette you would recognise in solid black.