certain shots may turn out better if you break the rule of thirds — but having a grid on your iPhone's camera will help you make this decision dynamically instead of capturing a photo and ...

The rule splits the camera frame into nine equal-sized rectangles, via two vertical lines and two horizontal lines, forming a ...

The Rule of Third splits an image into thirds vertically and horizontally, as shown in this grid. Artists will often separate the foreground and background content by using the horizontal lines.