title: Testflight while app is "waiting for review"
body: <p>We are in a hurry to publish an app for a customer, so yesterday we published an app to App Store and now is "Waiting for review".</p>
  
  <p>Meanwhile, the customer aked if he could have a preview. My idea was to send him a TestFlight beta testing. I'm thinking in several options:</p>
  
  <ul>
  <li>Start an internal testflight for the build that is in review for team customer users</li>
  <li>Start an external testflight with the build is in review for other customer users not in the team</li>
  <li>Send a new build and start internal testflight for team customer users</li>
  <li>Send a new build and start external testflight for other customer users not in the team</li>
  </ul>
  
  <p>What I'm not sure is on each case (internal/external testflight):</p>
  
  <ul>
  <li>Can I start a testflight testing for a build that is "in review"? And if I can, will it cancel the "in review" process for this build?</li>
  <li>Can I send another build while there is already one "in review"? And if I can, will it cancel the "in review" process for the previous build? If it will not, can I start a testflight for a new build while previous one is in review?</li>
  </ul>
  
  <p>As said, the priority here is not to stop the "in review" process.</p>
  
  <p><strong>EDIT</strong></p>
  
  <p>I've been reading docs at <a href="https://developer.apple.com/library/content/documentation/LanguagesUtilities/Conceptual/iTunesConnect_Guide/Chapters/BetaTestingTheApp.html" rel="noreferrer">https://developer.apple.com/library/content/documentation/LanguagesUtilities/Conceptual/iTunesConnect_Guide/Chapters/BetaTestingTheApp.html</a> and what makes me be scared is:</p>
  
  <blockquote>
    <p>When you are done using TestFlight beta testing, you can submit the app for final review</p>
  </blockquote>
  
  <p>So it seems that testflight is more like an step in the process than a parallel option in the process...</p>