In our low light studio tests the Apple iPhone 6 Plus behaves in the same way that we have seen during our real-life shooting and produces an exposure that is noticeably darker than most comparison cameras. On the upside sensitivity is kept very low at ISO 320 which results in a very clean image.

There is a good amount of luminance noise in the image but the grain is very fine which results in good retention of fine detail. Edges are better defined than on most comparison models and chroma noise is very well under control. Overall the iPhone 6 Plus is doing a very good job in low light but occasionally you might want to apply some positive exposure compensation. The optical image stabilization system is doing a very good job at reducing blur through camera shake and, as we have seen in our real-life shooting, in even lower light the iPhone appears to apply a multi-frame mode to reduce motion blur as well.