> ## Documentation Index
> Fetch the complete documentation index at: https://docs.reyapp.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Create an AppsFlyer account

> Create an AppsFlyer account before registering your iOS or Android app.

Create an AppsFlyer account before you register the apps and campaigns you want to measure.

<Steps>
  <Step title="Create or sign in to your AppsFlyer account">
    Go to [AppsFlyer](https://hq1.appsflyer.com/) and create an account, or sign in if you already have one.
  </Step>

  <Step title="Open My Apps">
    In the AppsFlyer dashboard, open **My Apps**. This is where you add each mobile app you want AppsFlyer to attribute.
  </Step>

  <Step title="Choose the platforms you support">
    Continue with the iOS and/or Android registration guide for your Rey app.
  </Step>
</Steps>

<Tip>
  Register iOS and Android as separate apps in AppsFlyer, even when they belong to the same Rey app.
</Tip>