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# Human Interface Guidelines

The HIG contains guidance and best practices that can help you design a
great experience for any Apple platform.

## Design fundamentals

Explore the principles that guide design across Apple platforms. For more, see [Getting started](/design/Human-Interface-Guidelines/getting-started).

[Design principles](/design/Human-Interface-Guidelines/design-principles)

Explore fundamental principles that guide design across Apple platforms.

[Designing for iPhone Duo](/design/Human-Interface-Guidelines/designing-for-iphone-duo)

An app designed for iPhone Duo adapts seamlessly to both displays, providing a continuous experience as the device opens and closes.

[Designing for iOS](/design/Human-Interface-Guidelines/designing-for-ios)

People depend on their iPhone to help them stay connected, play games, view
media, accomplish tasks, and track personal data in any location and while on
the go.

## Foundations of design

Discover key concepts that shape every great experience. For more, see [Foundations](/design/Human-Interface-Guidelines/foundations).

[Accessibility](/design/Human-Interface-Guidelines/accessibility)

Accessible user interfaces empower everyone to have a great experience with your app or game.

[App icons](/design/Human-Interface-Guidelines/app-icons)

A unique, memorable icon expresses your app’s or game’s purpose and personality and helps people recognize it at a glance.

[Color](/design/Human-Interface-Guidelines/color)

Judicious use of color can enhance communication, evoke your brand, provide visual continuity, communicate status and feedback, and help people understand information.

[Layout](/design/Human-Interface-Guidelines/layout)

A consistent layout that adapts across display sizes, orientations, and multitasking configurations helps people understand and enjoy your app or game on all their devices.

[Materials](/design/Human-Interface-Guidelines/materials)

A material is a visual effect that creates a sense of depth, layering, and hierarchy between foreground and background elements.

[Typography](/design/Human-Interface-Guidelines/typography)

Your typographic choices can help you display legible text, convey an information hierarchy, communicate important content, and express your brand or style.

## New and updated

Review recent additions and updates to design guidance. For more, see [What’s new](https://developer.apple.com/design/whats-new/).

[Designing for iPhone Duo](/design/Human-Interface-Guidelines/designing-for-iphone-duo)

An app designed for iPhone Duo adapts seamlessly to both displays, providing a continuous experience as the device opens and closes.

[Apple In-App Purchase](/design/Human-Interface-Guidelines/apple-in-app-purchase)

People can use Apple In-App Purchase to pay for digital goods and services, like premium content and subscriptions, securely within your app.

[Layout](/design/Human-Interface-Guidelines/layout)

A consistent layout that adapts across display sizes, orientations, and multitasking configurations helps people understand and enjoy your app or game on all their devices.

[Branding](/design/Human-Interface-Guidelines/branding)

Apps and games express their unique brand identity in ways that make them instantly recognizable while feeling at home on the platform and giving people a consistent experience.

[SharePlay](/design/Human-Interface-Guidelines/shareplay)

SharePlay lets people experience activities together from anywhere, whether they’re watching a movie, playing a game, or sketching on a whiteboard.

[Siri](/design/Human-Interface-Guidelines/siri)

People use Siri to help them with the things they need to find, know, or do every day.

## Topics

[Getting started](/design/Human-Interface-Guidelines/getting-started)

Create an app or game that feels at home on every platform you support.

[Foundations](/design/Human-Interface-Guidelines/foundations)

Understand how fundamental design elements help you create rich experiences.

[Patterns](/design/Human-Interface-Guidelines/patterns)

Get design guidance for supporting common user actions, tasks, and experiences.

[Components](/design/Human-Interface-Guidelines/components)

Learn how to use and customize system-defined components to give people a familiar and consistent experience.

[Inputs](/design/Human-Interface-Guidelines/inputs)

Learn about the various methods people use to control your app or game and enter data.

[Technologies](/design/Human-Interface-Guidelines/technologies)

Discover the Apple technologies, features, and services you can integrate into your app or game.


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