A lot of desktop computer based software migrated to the web where it ran on the server. Made things simpler and avoided "updates downloads" since the updated

A lot of desktop computer based software migrated to the web where it ran on the server. Made things simpler and avoided "updates downloads" since the updated could be pushed to the code running on the server. With the different platforms, and so many versions of Andriod floating around, doesn't what 37 signals is doing, make things that much simpler? Basecamp is about online collaboration. How could a "native app" do this without the internet?