Chromecast works with iPhone through the Google Home app, not through AirPlay

Google Chromecast does not connect directly to your iPhone the way AirPlay does. Instead, you use the Google Home app on your iPhone to set up the device and control what plays on your TV. Once Chromecast is plugged in and on the same Wi-Fi network as your phone, the Home app finds it and lets you send video, music, and photos from compatible apps to your TV screen.

The process takes about five minutes if your Wi-Fi is working and your Chromecast is new. If you are setting up a used device, you may need to factory reset it first — hold the button on the back for 15 seconds until the light blinks.

Key Takeaways

  • read the Google Home app from the App Store and sign in with your Google account before you start.
  • Your iPhone and Chromecast must be on the same Wi-Fi network for the connection to work.
  • The Home app walks you through naming your device and choosing which room it is in during setup.
  • After setup, you cast from individual apps like YouTube, Netflix, or Google Photos by tapping the cast icon inside each app.

read and open the Google Home app

Go to the App Store on your iPhone and search for "Google Home". Tap the cloud icon to read it — it is free. Once it installs, open the app and sign in with the Google account you want to use. If you do not have a Google account, you can create one during this step at no cost.

Make sure your iPhone is on the same Wi-Fi network that your Chromecast will use. You cannot set up Chromecast on a different network or on cellular data.

Plug in your Chromecast and start pairing

Connect your Chromecast to a power outlet and to an HDMI port on your TV. Turn on your TV and switch to the HDMI input where you plugged in the Chromecast. You should see a setup screen appear on your TV within 30 seconds — it will show a code or ask you to set up using an app.

In the Google Home app on your iPhone, tap the plus sign (+) in the top left corner. Select "Set up device" and then "Set up new device". The app will search for nearby Chromecast devices. When it finds yours, tap it to continue.

Confirm the code and connect to Wi-Fi

The app will show you a four-digit code and ask you to confirm it matches the code on your TV screen. Look at your TV and check that the numbers are the same, then tap "Yes" on your iPhone. This step makes sure you are pairing with the right device.

Next, the app will ask which Wi-Fi network you want to use. Select your home network from the list and enter your Wi-Fi password. Your Chromecast will connect to that network — this is the same network your iPhone needs to be on to cast to it later. Wait for the connection to finish; you will see a checkmark when it is done.

Name your device and choose a room

The app will ask you to name your Chromecast — something like "Living Room TV" or "Bedroom" works well. This name shows up in the Home app and in casting menus, so pick something you will recognize. Tap "Next" after you enter the name.

You will then choose which room the device is in from a list of common options (Living Room, Bedroom, Kitchen, etc.). This helps the Home app organize your devices if you have more than one. You can change the room later if you move the Chromecast. Tap "Next" to finish setup.

Cast content from your iPhone apps

Once setup is complete, open any app that supports casting — YouTube, Netflix, Google Photos, Spotify, and many others all work. Look for the cast icon, which looks like a rectangle with curved lines in the bottom left corner. Tap it and select your Chromecast from the list of available devices.

The video or music will start playing on your TV instead of on your phone. You can still use your iPhone to pause, rewind, or change the volume — the phone acts as a remote. To stop casting, tap the cast icon again and select "Stop casting".

Troubleshooting common connection problems

If the Home app does not find your Chromecast, restart both devices. Unplug the Chromecast for 10 seconds, plug it back in, and wait for the light to stop blinking. Then close the Home app on your iPhone and open it again. Make sure your phone and Chromecast are truly on the same Wi-Fi network — if your phone is on a guest network or 5 GHz band and your Chromecast is on 2.4 GHz, they will not see each other.

If you see the cast icon in an app but your Chromecast does not appear in the list, try turning your phone's Wi-Fi off and back on. If the Chromecast still does not show up, go back to the Home app, find your device, tap the three dots next to its name, and select "Forget device". Then set it up again from the beginning.

If your Chromecast keeps disconnecting from Wi-Fi, move it closer to your router or restart your router by unplugging it for 30 seconds. Chromecast works best when it has a strong signal.

Frequently Asked Questions

Can I use Chromecast without a Google account?

No, you need a Google account to set up Chromecast and use the Home app. You can create one for free during setup. The account does not have to be your personal Gmail — you can make a separate account just for your home devices.

What if I want to cast from an app that does not have a cast icon?

Some apps do not support casting directly. For those, you can use screen mirroring instead — swipe down from the top right of your iPhone to open Control Center, tap "Screen Mirroring", and select your Chromecast. This mirrors your entire phone screen to the TV, but it uses more battery and can be slower than casting.

Can multiple people cast to the same Chromecast at the same time?

Only one person can cast at a time. If someone else tries to cast while you are already casting, their content will take over and yours will stop. You can take turns, or set up a second Chromecast if you want to use different devices at the same time.

Do I need to be home to use Chromecast?

You need to be on the same Wi-Fi network as your Chromecast to cast to it. If you are away from home, you cannot cast unless you are connected to your home network through a VPN. Some apps like YouTube allow remote casting if you set it up in the Home app first, but this is not available for all apps.

What should I do if my Chromecast stops responding?

Unplug it for 10 seconds and plug it back in. If it still does not respond, open the Home app, find the device, tap the three dots, and select "Restart". If the problem continues, factory reset it by holding the button on the back for 15 seconds until the light blinks rapidly, then set it up again.