> For the complete documentation index, see [llms.txt](https://docs.cotter.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cotter.app/sdk-reference/react-native.md).

# React Native

## **Complete Guides**

#### **Sign in with Device**

Allow users to login automatically from a device that they trust.

{% content-ref url="/pages/-M2kTuM6W90CT9IpIxHq" %}
[Sign In with Device](/sdk-reference/react-native/react-native-sdk-passwordless-login.md)
{% endcontent-ref %}

#### Sign in with Email/Phone Number

Authenticate users by sending a Magic Link or OTP via email, SMS, or WhatsApp

{% content-ref url="/pages/-M1dk\_Rosjlkj52Hq\_6R" %}
[Sign In with Email/Phone Number](/sdk-reference/react-native/react-native-sdk-verify-email-phone.md)
{% endcontent-ref %}

## Quickstart Guides

{% content-ref url="/pages/-M6Eb1vLZRs1\_0ZAMKrR" %}
[React Native – Sign in with Device](/quickstart-guides/react-native-quickstart.md)
{% endcontent-ref %}