> have to maintain only one version of the app (no upgrade needed on client-side) Except what happens when it doesnt run the same on Firefox as it does on Chrome? Or what about when Edge is run on Win7 and youre app doesnt render correctly? Yes you only code one version of an app, but you are still obliged to consider the underlying platform - which is exactly compile once, run anywhere is it? its more like compile once but make sure you test it on all the different browser/OS combos before you do.

Distribution aside, its more likely you only know web languages and THATs why youre coding your project on the web stack. Pick the best tool for the job