Cadra: Crop & Compose

Cadra turns a photo you already took into a cleaner frame. Pick portrait or landscape. Cadra reads the subject and lights up the composition rules that fit: rule of thirds, golden ratio, spiral, center, symmetry, leading lines, repetition, juxtaposition, frame within a frame. Pinch to settle the crop. The megapixels left are shown under the frame, so you can see when it is getting too tight. Then the light. Tap Automatic and the system reads this frame and sets it for you, or take the six controls yourself: exposure, shadows, highlights, contrast, warmth, vibrance. Cadra also measures the picture and names what is actually wrong with it — and says nothing at all when the frame is already fine. Saving writes a new file. Your original is never modified. No camera. No account. Nothing is uploaded — every part of this runs on your iPhone and works in airplane mode. The first finished photo…