Following tap, swipe and gestures like pinch, which involve two or more fingers – branded ‘Multi-Touch’ – the iPhone 6s can also respond to the forces applied when pressing against its display. So as well as detecting finger movement in two-dimensions, along the X and Y axes, a device can sense if its screen is being pushed down along the Z-axis.
This ’3D Touch’ technology is being called ‘the next generation of Multi-Touch’.
But 3D Touch isn’t the same as ‘Force Touch’, the pressure-sensitive tech in the Apple Watch and MacBook trackpads. So what is it? How does it work? And why is it important?
What it does
3D Touch basically provides extra input controls. It’s like having two buttons on a mouse: tapping the screen is the equivalent of a left-click, pressing is like right-clicking.
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