How do I get Google Now on my iPhone?

How do I get Google Now on my iPhone?
How to enable Google Now for iOS devices (iPhone, iPad) with Google Apps for Business Accounts

Sign in to your Google Apps control panel.
Go to Settings > Mobile > Org Settings > Android settings.
Click the checkbox next to Enable Google Now to turn on Google Now.
Click Save.

How to enable Google Now for iOS devices (iPhone, iPad) with Google Apps for Business Accounts
  1. Sign in to your Google Apps control panel.
  2. Go to Settings > Mobile > Org Settings > Android settings.
  3. Click the checkbox next to Enable Google Now to turn on Google Now.
  4. Click Save.