title: Testflight - Adding app to Account/Device A removes app from Account/Deivce B
body: <p>I use two iOS devices for testing:</p>
  <ul>
  <li>An iPhone XS that is signed into iCloud/TestFlight with Apple account X</li>
  <li>An iPhone 5S that is signed into iCloud/TestFlight with Apple account Y</li>
  </ul>
  <p>But for some unknown reason I've found it impossible to have a single app associated with both devices/accounts simultaneously. When I add/accept the invite on the second device/account the app is removed from the other.</p>
  <p><strong>Further details</strong></p>
  <p>Within App Store Connect &gt; Users &amp; Groups, I have two users setup using seperate email addresses. Lets call these App Store Connect User A and  App Store Connect User B.</p>
  <p>GIVEN:</p>
  <ul>
  <li>I invite App Store Connect User A to a given app</li>
  <li>Accept this invite on the iPhone XS/Apple account X</li>
  </ul>
  <p>THEN:</p>
  <ul>
  <li>The iPhone XS has access to the given app and can install builds freely</li>
  </ul>
  <p>WHEN:</p>
  <ul>
  <li>I then invite App Store Connect User B to the same app</li>
  <li>Accept this invite on the iPhone 5S with Apple account Y</li>
  </ul>
  <p>THEN:</p>
  <ul>
  <li>The iPhone 5S has access to the given app and can install builds freely</li>
  <li>BUT when I go back to the iPhone XS the device has been removed from the app and I can no longer install any builds</li>
  </ul>
  <p>WHEN:</p>
  <ul>
  <li>I then again invite App Store Connect User A to the same app</li>
  <li>Accept this invite on the iPhone XS with Apple account X</li>
  </ul>
  <p>THEN:</p>
  <ul>
  <li>The iPhone XS has access to the given app and can install builds freely</li>
  <li>BUT when I go back to the iPhone 5S the device has been removed from the app and I can no longer install any builds</li>
  </ul>
  <p><strong>Please Help</strong></p>
  <p>Its infurriating. What the hell is going on? As far as I can tell, there is no association between App Store Connect users, devices or Apple accounts.</p>
  <p>I have used each Apple account X on the opposing device <strong>in the past</strong> but the devices have been factory reset since then. I wonder if something is being cached somewhere that links the accounts somehow. :shrug:</p>