title: Rails on Heroku gem for mobile push notifications
body: <p>What gem would you recommend for sending Push Notifications to mobile devices? </p>
  
  <p>Context:</p>
  
  <ul>
  <li>Rails 3 app hosted on Heroku</li>
  <li>Small scale (Currently order of hundreds push notifications a week)</li>
  <li>Currently iOS only but extensible to multiple platforms (Android, WP) [Desirable, but not required]</li>
  </ul>
  
  <p>Requirements:</p>
  
  <ul>
  <li>If a new spawned process, low runtime to keep heroku costs low</li>
  <li>Supports feedback service</li>
  <li>Multi platform support</li>
  </ul>
  
  <p>Current alternatives: </p>
  
  <ul>
  <li><a href="https://github.com/jwang/apn_on_rails" rel="nofollow">https://github.com/jwang/apn_on_rails</a> (or one of its forks)</li>
  <li><a href="https://github.com/justintv/APNS" rel="nofollow">https://github.com/justintv/APNS</a></li>
  </ul>
  
  <p>Any suggestions/recommendations appreciated.</p>