The AppStudio iOS cloud make requires a Certificate. Is the $99 Apple Development Program membership required in order to create a certificate or can you create one with just a Apple Developer Account?
Yes it is required to have a $99 Apple Developer membership to create a build of your app. (or a $299 Enterprise developer membership depending on how you are going to distribute your app)
You cannot "just email the installation file or make it available on our website", unfortunately, iOS app distribution does not work that way. If you the audience for the app is a company or organization you can use an Enterprise distribution and self-host that or use a 3rd party tool to distribute the app. If your intended audience is the public then you will most likely have to go through the Apple App Store.
Here are some links with some good information on the subject:
How to share iOS App without publishing on Apple App Store? - Blog | Knowband
app store - Private iOS app - Stack Overflow
Who is the end user of the app? In some scenarios the AppStudio Player is a good option of distributing apps as well.
Introduction to AppStudio Player—AppStudio for ArcGIS | Documentation
Yes, you would need Apple Developer Program membership to create iOS Certificate, Certificates - Support - Apple Developer
AppStudio Documentation on how to publish your app to Apple AppStore, Distribute your app—AppStudio for ArcGIS | Documentation
I don't want to publish it to the Apple App store. I would just email the installation file or make it available on our website. But it seems I need the Apple Developer membership just to create the installation file because a Certificate is required. Is that true or have I missed something?
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