Browlens is an AI brow app for finding your best eyebrow shape. Upload a photo for automatic mapping with six draggable control points. Adjust thickness, length, angle, spacing, arch height, and position, then read a left-right balance report. Choose Natural, Arched, Straight, Soft Angled, Feathered, or Defined and generate an AI preview. Mapping and analysis are free with no sign-up.