Siri

Apple's intelligent assistant, and how to design your app's conversations with it.

Introduced
2011
iPhone 4S
Kind
Platform feature
Runs on
iPhone, iPad, Mac, Apple Watch, Apple TV, Apple Vision Pro, HomePod and AirPods
Get it from
Built into the system
iOS
iPadOS
Mac Catalyst
macOS
tvOS
visionOS
watchOS

Overview

Siri helps people get things done with their voice or by typing. With Apple Intelligence it understands personal context and what's on screen, and can take actions inside apps.

Apple's Human Interface Guidelines cover how to name actions, write responses and design for voice so your app feels natural in a conversation.

Natural language

Speak or type, with follow-up questions understood in context.

Onscreen awareness

Ask about what's on screen right now.

Actions in apps

Do things in apps without opening them.

Design guidance

Human Interface Guidelines for voice and responses.

History

How it grew up.

2011

Introduced

Debuts on iPhone 4S.

2016

SiriKit

Opens to third-party apps.

2016

Mac

Siri comes to the Mac with macOS Sierra.

2024

Apple Intelligence

A new design and typing to Siri.

2026

Next big step

Personal context and actions across apps.