The iPhone has a pretty powerful camera for a smartphone, and the iOS Camera app works well for most people. But if you’re a serious photographer and want more camera controls, you need to use a third-party camera app.
Here are four camera apps that give photographers as much control as possible. In this round-up, we examine the more mature Camera+, Manual, and ProCamera, plus a new entry, Halide, that stacks up well alongside them.
Camera+ lets you expose features from under...