Google Cardboard is an app that works with Google Cardboard-compatible VR headsets (also called viewers) and your iPhone. It not only helps you set up a Cardboard viewer but also includes a few VR experiences to get you started.

Try it now: Google Cardboard

Giphy World

This AR-powered app lets you overlay GIFs onto the real world and share your creations with friends. Imagine drawing in the air with cat GIFs.

Try it now: Giphy World 

IKEA Place

IKEA Place lets you virtually see 3D, true-to-scale IKEA products in your space. It includes most of IKEA’s catalogue, like sofas and chairs, and helps you to better understand the furniture’s size, design, and functionality in your home.

Try it now: Ikea Place

Ink Hunter

AR can help you plan your next tattoo! InkHunter lets you preview what a tattoo might look like on your skin. Just draw a marker on yourself, and point your device camera on marker, and the app will show the design at every angle.

Try it now: Ink Hunter

MeasureKit

Although Apple now offers a Measure app directly in iOS, there are alternatives, likd MeasureKit, which has nine AR tools: Ruler, Magnetometer, Trajectory, Face Mesh, Marker Pin, Angles, Person Height, Cube, and Level.

Try it now: MeasureKit

Sky Walk

Star Walk is a popular stargazing app. It’s an interactive guide to the night sky, following your every movement in real-time and allowing you to explore over 200,000 celestial bodies and get access to information about anything you find.

Try it now: Sky Walk

Vuforia Chalk

Vuforia Chalk combines live video, audio, and the ability for a remote person to annotate their live view. Annotations accurately stick to real-world objects, even when people move around. Imagine, for instance, using this as a field technician.

Try it now: Vuforia Chalk

WallaMe

WallaMe allows you to draw messages and hide them in the real world. You can leave the message anywhere, and they’re only visible to your friends, though you can search for other hidden messages using a map interface.

Try it now: WallaMe