Others have mentioned Xamarin is free and (mostly? entirely?) open source now. See also NativeScript [1]. And TypeScript solves 80% of his complaints. A good l

Others have mentioned Xamarin is free and (mostly? entirely?) open source now. See also NativeScript [1]. And TypeScript solves 80% of his complaints. A good linter with ruleset hits most of the remaining 20%. Cross-platform is the way to go in 2016. It's a waste to write in Swift and Java to cover two platforms. [1] http://nativescript.com/ http://nativescript.com/