Software development technology is getting close. A couple few more years maybe and that problem will start to go away fairly rapidly [relatively speaking], like possible 30-40% cross platform by the end of maybe 5 years-ish. 12 year android dev here seeing the light at the end of the tunnel with some newer performant (dev wise and user wise) frameworks and architectural patterns. Of course this all depends on Apple not saying FU to the entire industry in a dramatic, squashing those frameworks with their iron fist sorta way.