While iPhone cameras have become increasingly powerful over the last decade, growing from a single lens to three, there are some who find the on-device processing a little invasive. There’s little you can do to avoid the computational editing that Apple implements automatically, such as brightening – but one of the most popular iPhone photography apps wants to bring things back to basics.

Described as “The Anti-intelligent” camera, Halide’s new Process Zero uses no AI and no computational photography to capture images. In short, it turns your iPhone into the most basic of cameras – one that captures light and does little else. But how can the best camera phones perform without all their fancy on-device editing?