I have developed an app for a company that will deploy it to their devices for internal use on an MDM managed device. They have asked me to provide a signed IPA file to them. I am a small company with no enterprise account. Also because the users are often changing they asked me to allow it to be used on 'all devices' and assured me they have strict controls to prevent it from leaking out rather than a whitelist of the several thousand users.
When I archive and select distribute app, there are currently the 6 options in the screenshot below. Up to now I have been using the release testing and providing them the IPA for testing. But now I'm not sure how to go about providing a signed release version? I have seen some articles about ad hoc distribution but I don't see that option anymore. And it seems enterprise is only for large companies. At a bit of a loss on how to proceed.
