title: Is Google Maps IOS SDK free to use?
body: <p>We have a commercial web application and we are planning to develop android and iOS apps(free) for our customers</p>
  
  <ol>
  <li><p>Is google maps ios sdk is free to use in my app?</p></li>
  <li><p>we want to open google maps app from our app using custom url scheme to show driving   directions. Does this approach have any restrictions?</p></li>
  </ol>