Siri is the virtual assistant integrated into iOS, developed by Apple.

The Control Center was introduced in iOS 7, allowing users to quickly access common settings and controls.

Safari is the default web browser included with iOS, developed by Apple.

Find My Friends is an iOS feature that allows users to share their location with others.

Apple Pay is the iOS feature that allows users to make payments using their iPhone or Apple Watch.

The App Store was introduced in iOS 2, allowing users to download and install apps from a centralized marketplace.

Continuity is the iOS feature that allows users to connect their iPhone or iPad to a Mac or PC, enabling seamless transfer of activities and data.

The Dark Mode feature was introduced in iOS 13, allowing users to switch to a darker color scheme for the system interface.

Memoji is the iOS feature that allows users to create and share personalized emojis that reflect their own appearance.

The Health app was introduced in iOS 8, allowing users to track their health and fitness data.

AirDrop is the iOS feature that allows users to share files and data between Apple devices wirelessly.

The Night Shift feature was introduced in iOS 9.3, allowing users to adjust the color temperature of the display to reduce blue light exposure at night.

Live Photos is the iOS feature that allows users to create and share photos that capture a few seconds of motion before and after the shot.

The Portrait Mode feature was introduced in iOS 11, allowing users to take photos with a blurred background, similar to a DSLR camera.

HomeKit is the iOS feature that allows users to control their smart home devices using their iPhone or iPad.