> For the complete documentation index, see [llms.txt](https://docs.chatalog.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.chatalog.ai/chatalog-mobile-app/sign-up-and-sign-in.md).

# Sign up and Sign in

#### Sign Up <a href="#sign-up" id="sign-up"></a>

If you don't have a chatalog account yet, you can sign up here: <https://app.chatalog.ai/signup>

You can create your account with a Google or Microsoft email.

#### Sign In <a href="#sign-in" id="sign-in"></a>

If you already have chatalog account, you can directly sign in on the mobile app.

<figure><img src="/files/2eDi62OHM57LkQm66vXb" alt="" width="188"><figcaption></figcaption></figure>

Based on your account registration or invitation method, we currently support the following login methods:

* Using username and password
* Via Google
* Via Microsoft