No, they don&#x27;t contact the app store to approve each launch. Apple has a root CA that expired, during this &quot;event&quot; apps wouldn&#x27;t launch because they couldn&#x27;t verify the code signing certificate. Apple updated their certificate, and all apps started working again.<p>See: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10560634" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10560634</a>