Apple's most expensive smartphone iPhone Tone. In the US market, the 64 GB model of iPhone tens is priced at $ 999 and the 256 GB model costs $ 1,149. For iPhone tens, however, Apple has spent more for the parts than the iPhone 8. Apple's cost of US $ 5.7-inch OLED display is 65.50 US dollars. For iPhone 8's 4.7 inch LCD display, Apple costs 36 US dollars. Ten stainless steel chassis costs $ 36, which is $ 15 higher than the iPhone 8.