> ## Documentation Index
> Fetch the complete documentation index at: https://docs.shipmobilefast.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Google OAuth IOS
> Implement OAuth authentication
# Sign in with Google on Expo React Native IOS
First make sure you have completed the [Google OAuth Web](/auth/oauth/google/web) page.
* We need Supabase to be setup.
First of all, you need to create a new project in the Google Cloud Console if you don't have one already.
* We created a new project in [RevenueCat Integration Android](/monetization/in-app-purchases/android) page.
If you want you can follow this first.
Click the `APIs & Services` menu.
Click the `Credentials` menu.
Then click the `Create Credentials` button.
* Please select `OAuth client ID`
But you need to `Configure Consent Screen` first.
Create IOS oauth client id.
* Write a name of your app.
* Write your `bundle id` in the `Bundle ID` field.
* Click the `Create` button.
Copy Client ID and Paste it to the `.env` file.
```{1} theme={null}
EXPO_PUBLIC_GOOGLE_OAUTH_IOS_CLIENT_ID=some-id.apps.googleusercontent.com
```
Then you need to select `IOS oAuth Client` first.
Copy `IOS URL Scheme` and go to `app.json` file.
* Add here:
```{4} theme={null}
[
"@react-native-google-signin/google-signin",
{
"iosUrlScheme": "com.googleusercontent.apps.some-id" // Here
}
]
```
You have successfully set up Google OAuth for your Expo React Native IOS Client. 🎉
Go and setup Android OAuth.
Please click here for Google OAuth Web.
Please click here for Google OAuth Android.