Not really.
We manufacture a wide range of custom printed circuit boards; literally thousands with more added weekly. We have at least one test program for each of these. We have a couple of dozen systems that run the test programs on each circuit board for quality control purposes.
Many of these programs are updated each time an engineering change order is issued for a board. In order to be sure the test systems are running the latest version of a test program, the programs are loaded into RAM as needed from an in-house server; they're never installed locally on the test systems.
Moving those programs to a third-party server would be grossly inconvenient for the developers. It would also introduce a point of failure beyond our control (the Internet connection to the app store) into our manufacturing process. We lose connectivity at least once a year due to clumsy construction projects in the nearby city where all our traffic is routed through.
No, we're not typical, but I also bet we're not unique.
