Cairn Skin: Photo Journal

Cairn Skin helps you take photos of the same spot that actually line up, so you can see how a scar, a patch of skin, or a healing area changes over time. Private, encrypted, and no account. It is a wellness journal, not a medical tool. WHY IT'S DIFFERENT Taking two comparable photos weeks apart is harder than it sounds. Lighting shifts, you stand a little closer, the angle changes, and suddenly the photos aren't really comparable at all. Cairn Skin solves that. When you take a new photo, your previous one appears faintly over the camera view so you can line up the same framing. A live indicator tells you when the lighting is good and the phone is steady. The result is a series of photos that are actually worth comparing. TRACK SEVERAL PLACES AT ONCE Create a separate tracking area for each spot: "left forearm," "knee scar," "shoulder." Each one keeps its own baseline and its own…