I actually considered that, just didn't call its name explicitly.
Maybe the AppStores can implement something like version limiting and you can ask for a payment for upgrading to the new version.
I'm also not sure how I feel about it. Having people using multiple versions of the app in the wild seems wrong. Also, many apps have a server component which has ongoing costs and as a result user who choose not to pay for an upgrade will still cost you money and maintenance of the server for old versions OR they will lose functionality. I guess it can work for offline apps.
Also, many apps have a server component which has ongoing costs
Many apps have a server component to justify charging for a subscription. Sure you might need a server if you're doing something novel, but apps that operate on documents should just use iCloud, Google Drive, Dropbox, etc.
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I actually considered that, just didn't call its name explicitly.
I'm also not sure how I feel about it. Having people using multiple versions of the app in the wild seems wrong. Also, many apps have a server component which has ongoing costs and as a result user who choose not to pay for an upgrade will still cost you money and maintenance of the server for old versions OR they will lose functionality. I guess it can work for offline apps.
Many apps have a server component to justify charging for a subscription. Sure you might need a server if you're doing something novel, but apps that operate on documents should just use iCloud, Google Drive, Dropbox, etc.