In iOS, iPadOS, and macOS, icons are square, and the system applies masking to produce rounded corners that precisely match the curvature of other rounded interface elements throughout the system and the bezel of the physical device itself.
What are essential iOS app icon sizes, requirements and guidelines? Below are the latest technical guidelines, requirements, and important icon sizes for iOS app icons, drawn directly from Apple’s current official sources and developer documentation
Avoid App Store rejection. Learn Apple’s Human Interface Guidelines for iOS app icons: sizes, formats, design rules & common mistakes to avoid.