How to Set Up and Customize Google Assistant on Your Device

What Google Assistant is and where to find it

Google Assistant is a voice and text-based helper built into most Android phones, some iPhones, smart speakers, and other devices. It responds to commands like "What's the weather?" or "Set a timer for 10 minutes" and can control smart home devices, play music, send messages, and pull information from the web. On most devices, you activate it by saying "Hey Google" or holding down a button.

Before you can use Google Assistant, it needs to be turned on and linked to your Google account. The steps differ slightly depending on whether you're setting it up on a phone, tablet, smart speaker, or other device, but the core process is the same: enable the feature, sign in, and then customize it to work the way you want.

Key Takeaways

Google Assistant is already installed on most Android phones and can be activated by saying "Hey Google" or holding the home button, but you must turn it on first in Settings.
You need to be signed into a Google account on your device before Google Assistant will work.
After turning on Google Assistant, you can customize voice commands, choose which apps it controls, and adjust how it responds to you.
On iPhones and iPads, you download the Google Assistant app from the App Store rather than using a built-in version.
Smart speakers like Google Home require you to set them up through the Google Home app on your phone before they will respond to voice commands.

Turning on Google Assistant on an Android phone

On most Android phones, Google Assistant is already installed but may not be active. Open the Settings app, then scroll down and tap Google. Tap Manage your Google Account, then select the Services tab. Look for Google Assistant and make sure the toggle is turned on. If you don't see a Google section in Settings, search for "Google Assistant" in your Settings search bar instead.

Once it's turned on, you can activate Google Assistant by saying "Hey Google" out loud or by holding down the home button (the button at the bottom center of your screen). Your phone will show a colorful circle at the bottom of the screen when it's listening. If nothing happens when you say "Hey Google," go back to Settings and check that voice activation is enabled under Google Assistant settings.

If you're not signed into a Google account on your phone, Google Assistant won't work. Go to Settings, tap Accounts, and make sure at least one Google account is listed. If not, tap Add account and sign in with your Google email and password.

Setting up Google Assistant on an iPhone or iPad

iPhones and iPads don't have Google Assistant built in, so you need to download the app. Open the App Store, search for "Google Assistant," and tap the official app from Google LLC. Tap Get, then Install, and sign in with your Apple ID if prompted. Once installed, open the app and sign in with your Google account.

On iPhone and iPad, you can't activate Google Assistant by saying "Hey Google" unless you set up a shortcut. Most people tap the Google Assistant app icon to open it, then speak their command. If you want to use voice activation without opening the app, you can create a Siri shortcut that launches Google Assistant when you say a specific phrase, but this requires a few extra steps in the Shortcuts app.

Configuring Google Assistant settings

After turning on Google Assistant, you can customize how it behaves. On Android, open the Google Assistant app or say "Hey Google, open Assistant settings." Tap the profile icon in the top right corner, then tap Assistant settings. Here you can change your language, adjust the volume and speech rate, and choose which apps Google Assistant can control.

In the Devices section, you can see all the devices linked to your Google account that Google Assistant can use — your phone, any smart speakers, and any smart home devices you've added. In the Services section, you can connect apps like Spotify, Uber, or your bank so Google Assistant can control them when you give voice commands.

The Shortcuts section lets you create custom commands. For example, you can set up a shortcut so that saying "Hey Google, movie night" turns off the lights, closes the blinds, and starts playing a movie — if you have smart devices that support this. Tap Create shortcut and follow the prompts to name your command and choose what actions it should perform.

Setting up Google Assistant on a smart speaker

Google Home, Google Nest, and other Google smart speakers need to be set up through the Google Home app on your phone. Download the app from the App Store or Google Play Store, open it, and tap the plus icon in the top left to add a new device. Select Set up device, then choose New device. Follow the on-screen steps to connect your speaker to your Wi-Fi network and sign into your Google account.

Once your speaker is set up, you can say "Hey Google" followed by any command. The speaker will respond out loud. You can adjust volume by saying "Hey Google, set volume to 5" or by using the physical buttons on the speaker itself. In the Google Home app, you can also see a history of everything you've asked Google Assistant, delete that history, and manage which family members have access to the speaker.

Adjusting privacy and voice recognition

Google Assistant records what you say when you use it. You can see and delete this history at any time. On Android, open Google Assistant settings, tap Voice and video, then Voice history. You'll see a list of everything you've asked. Tap the trash icon next to any item to delete it, or tap Delete all to clear everything at once. You can also turn off voice history entirely by toggling off Web & App Activity, though this may limit some features.

If you want only your voice to activate Google Assistant, you can set up Voice Match. This teaches Google Assistant to recognize your voice specifically. Go to Google Assistant settings, tap Voice and video, then Voice Match. Tap Set up Voice Match and follow the prompts to record a few phrases. After this, Google Assistant will respond more reliably when you speak and may refuse commands from other people, depending on your settings.

You can also control what information Google Assistant shares with you. In settings, look for Personal results and toggle it on or off. When it's on, Google Assistant can access your calendar, email, and contacts to answer questions like "When is my next meeting?" When it's off, it won't access this personal information.

Troubleshooting common setup problems

If Google Assistant isn't responding when you say "Hey Google," first check that it's turned on in Settings. Then make sure your device's microphone is working — try recording a voice memo to test it. If the microphone works but Google Assistant still doesn't respond, restart your phone and try again. Sometimes a simple restart fixes voice activation issues.

If Google Assistant opens but doesn't understand your commands, speak clearly and avoid background noise. You can also try rephrasing your request — instead of "What's happening tomorrow?" try "What's the weather tomorrow?" If certain commands never work, check that you've connected the right apps in Google Assistant settings. For example, if you want to control your lights, you need to add your smart home system (like Google Home, Philips Hue, or LIFX) in the Services section first.

If you're on an iPhone and the Google Assistant app keeps crashing, try uninstalling it and reinstalling it from the App Store. Make sure you're signed into the same Google account both times. If you're still having trouble, check that your phone's iOS is up to date by going to Settings > General > Software Update.

Frequently Asked Questions

Can I use Google Assistant without a Google account?

No. Google Assistant requires you to be signed into a Google account on your device. If you don't have one, you can create a free Google account at google.com. Once you're signed in, Google Assistant will work.

Does Google Assistant work offline?

Some basic commands work without an internet connection, like setting a timer or controlling a device on your local network. However, most features — like weather, news, web searches, and smart home control — require an active internet connection. If your Wi-Fi or mobile data is off, Google Assistant will tell you it can't complete your request.

Can I change the wake word from "Hey Google" to something else?

On most Android phones and smart speakers, you cannot change the wake word to something completely different. However, you can create custom shortcuts with different trigger phrases in Google Assistant settings. On some smart speakers, you can choose between "Hey Google" and "OK Google," but that's the only built-in option.

How do I stop Google Assistant from listening all the time?

You can turn off the "Hey Google" voice activation in Google Assistant settings by toggling off Voice activation. This means you'll have to open the app or press a button to use it instead of speaking the wake word. You can also mute your device's microphone with a physical button on smart speakers, which stops Google Assistant from listening entirely.

What's the difference between Google Assistant and Google Home?

Google Assistant is the software that understands and responds to your commands. Google Home is both the name of the app you use to set up and control devices, and the name of Google's smart speakers. When you set up a Google Home speaker, you're setting up a device that runs Google Assistant.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.