This is a bummer but makes sense given the revenue numbers. I have to admit I use it mostly on the macOS since I don’t use my iPad Pro much anymore but when I did I relied heavily on Transmit for iOS. I also have coda but don’t do that much with it now.
I also moved over to WordPress hosting and use MarsEdit which means I don’t need server level type access.
Apple needs to sort out upgrade pricing and come up with a way for these type of app models to not just survive but thrive.