The buy now, pay later feature will be limited to the US when iOS 16 arrives in the autumn.
The new M2 chips are 40% faster than the previous generation, Apple said, but still run without the need for a fan and with an 18-hour battery life. The computers will ship with a USB charger with two ports, and will be available from next month with prices starting at $1,199.
The new features will be available to older iPhones but are likely intended to work in concert with the forthcoming iPhone 14, which is rumoured to have an always-on display.
Alongside the visual redesign, iOS 16 will include a number of other new features:
And, 12 years after it was first released, the iPad will get a Weather app in iPadOS 16.
