title: How does Sencha Touch + PhoneGap perform compared to native apps in terms of speed?
body: <p>I'm really worried that when I write iPhone app with Sencha Touch and put it in PhoneGap container the user experience would downgrade.</p>
  
  <p>I particularly see the bottlenecks  in:</p>
  
  <ul>
  <li>fluency of the screen transitions (animations)</li>
  <li>fluency of scrolling</li>
  </ul>
  
  <p>Please have in mind that there are lot of 3G iPhones runnin iOS 4.x that made them very slow. I'm discarding the support for the original iPhone.</p>
  
  <p>I, being a trained UI professional, can spot the ST app just by touching few things in it.</p>
  
  <p>Does the shift from Safari to PhoneGap container increases the performance?</p>
  
  <p>Do you have any experience with it?</p>